640310580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 432

約数和(自身を含む): 2506742784

約数和(自身を除く): 1866432204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 31, 35, 36, 39, 42, 45, 52, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 97, 105, 117, 124, 126, 130, 140, 155, 156, 169, 180, 182, 186, 194, 195, 210, 217, 234, 252, 260, 273, 279, 291, 310, 315, 338, 364, 372, 388, 390, 403, 420, 434, 455, 465, 468, 485, 507, 546, 558, 582, 585, 620, 630, 651, 676, 679, 780, 806, 819, 845, 868, 873, 910, 930, 970, 1014, 1085, 1092, 1116, 1164, 1170, 1183, 1209, 1260, 1261, 1302, 1358, 1365, 1395, 1455, 1521, 1612, 1638, 1690, 1746, 1820, 1860, 1940, 1953, 2015, 2028, 2037, 2170, 2340, 2366, 2418, 2522, 2535, 2604, 2716, 2730, 2790, 2821, 2910, 3007, 3042, 3255, 3276, 3380, 3395, 3492, 3549, 3627, 3783, 3906, 4030, 4074, 4095, 4340, 4365, 4732, 4836, 5044, 5070, 5239, 5460, 5580, 5642, 5820, 5915, 6014, 6045, 6084, 6111, 6305, 6510, 6790, 7098, 7254, 7566, 7605, 7812, 8060, 8148, 8190, 8463, 8730, 8827, 9021, 9765, 10140, 10185, 10478, 10647, 11284, 11349, 11830, 12028, 12090, 12222, 12610, 13020, 13580, 14105, 14196, 14508, 15035, 15132, 15210, 15717, 16380, 16393, 16926, 17460, 17654, 17745, 18042, 18135, 18915, 19530, 20370, 20956, 21049, 21294, 22698, 23660, 24180, 24444, 25220, 25389, 26195, 26481, 27063, 28210, 30070, 30420, 30555, 31434, 32786, 33852, 35308, 35490, 36084, 36270, 36673, 37830, 39060, 39091, 40740, 42098, 42315, 42588, 44135, 45105, 45396, 47151, 49179, 50778, 52390, 52962, 53235, 54126, 56420, 56745, 60140, 61110, 62868, 63147, 65572, 70980, 72540, 73346, 75660, 78182, 78585, 79443, 81965, 84196, 84630, 88270, 90210, 94302, 98358, 101556, 104780, 105245, 105924, 106470, 108252, 110019, 113490, 114751, 117273, 122220, 126294, 126945, 132405, 135315, 146692, 147537, 156364, 157170, 158886, 163930, 169260, 176540, 180420, 183365, 188604, 189441, 195455, 196716, 210490, 212940, 220038, 226980, 229502, 234546, 235755, 245895, 252588, 253890, 264810, 270630, 273637, 295074, 314340, 315735, 317772, 327860, 330057, 344253, 351819, 366730, 378882, 390910, 397215, 420980, 440076, 459004, 469092, 471510, 491790, 507780, 508183, 529620, 541260, 547274, 550095, 573755, 586365, 590148, 631470, 660114, 688506, 703638, 733460, 737685, 757764, 781820, 794430, 820911, 943020, 947205, 983580, 1016366, 1032759, 1094548, 1100190, 1147510, 1172730, 1262940, 1320228, 1368185, 1377012, 1407276, 1475370, 1524549, 1588860, 1641822, 1650285, 1721265, 1759095, 1894410, 2032732, 2065518, 2200380, 2295020, 2345460, 2462733, 2540915, 2736370, 2950740, 3049098, 3283644, 3300570, 3442530, 3518190, 3557281, 3788820, 4104555, 4131036, 4573647, 4925466, 5081830, 5163795, 5472740, 6098196, 6601140, 6885060, 7036380, 7114562, 7622745, 8209110, 9147294, 9850932, 10163660, 10327590, 10671843, 12313665, 14229124, 15245490, 16418220, 17786405, 18294588, 20655180, 21343686, 22868235, 24627330, 30490980, 32015529, 35572810, 42687372, 45736470, 49254660, 53359215, 64031058, 71145620, 91472940, 106718430, 128062116, 160077645, 213436860, 320155290, 640310580]

約数ペア:

[(1, 640310580), (2, 320155290), (3, 213436860), (4, 160077645), (5, 128062116), (6, 106718430), (7, 91472940), (9, 71145620), (10, 64031058), (12, 53359215), (13, 49254660), (14, 45736470), (15, 42687372), (18, 35572810), (20, 32015529), (21, 30490980), (26, 24627330), (28, 22868235), (30, 21343686), (31, 20655180), (35, 18294588), (36, 17786405), (39, 16418220), (42, 15245490), (45, 14229124), (52, 12313665), (60, 10671843), (62, 10327590), (63, 10163660), (65, 9850932), (70, 9147294), (78, 8209110), (84, 7622745), (90, 7114562), (91, 7036380), (93, 6885060), (97, 6601140), (105, 6098196), (117, 5472740), (124, 5163795), (126, 5081830), (130, 4925466), (140, 4573647), (155, 4131036), (156, 4104555), (169, 3788820), (180, 3557281), (182, 3518190), (186, 3442530), (194, 3300570), (195, 3283644), (210, 3049098), (217, 2950740), (234, 2736370), (252, 2540915), (260, 2462733), (273, 2345460), (279, 2295020), (291, 2200380), (310, 2065518), (315, 2032732), (338, 1894410), (364, 1759095), (372, 1721265), (388, 1650285), (390, 1641822), (403, 1588860), (420, 1524549), (434, 1475370), (455, 1407276), (465, 1377012), (468, 1368185), (485, 1320228), (507, 1262940), (546, 1172730), (558, 1147510), (582, 1100190), (585, 1094548), (620, 1032759), (630, 1016366), (651, 983580), (676, 947205), (679, 943020), (780, 820911), (806, 794430), (819, 781820), (845, 757764), (868, 737685), (873, 733460), (910, 703638), (930, 688506), (970, 660114), (1014, 631470), (1085, 590148), (1092, 586365), (1116, 573755), (1164, 550095), (1170, 547274), (1183, 541260), (1209, 529620), (1260, 508183), (1261, 507780), (1302, 491790), (1358, 471510), (1365, 469092), (1395, 459004), (1455, 440076), (1521, 420980), (1612, 397215), (1638, 390910), (1690, 378882), (1746, 366730), (1820, 351819), (1860, 344253), (1940, 330057), (1953, 327860), (2015, 317772), (2028, 315735), (2037, 314340), (2170, 295074), (2340, 273637), (2366, 270630), (2418, 264810), (2522, 253890), (2535, 252588), (2604, 245895), (2716, 235755), (2730, 234546), (2790, 229502), (2821, 226980), (2910, 220038), (3007, 212940), (3042, 210490), (3255, 196716), (3276, 195455), (3380, 189441), (3395, 188604), (3492, 183365), (3549, 180420), (3627, 176540), (3783, 169260), (3906, 163930), (4030, 158886), (4074, 157170), (4095, 156364), (4340, 147537), (4365, 146692), (4732, 135315), (4836, 132405), (5044, 126945), (5070, 126294), (5239, 122220), (5460, 117273), (5580, 114751), (5642, 113490), (5820, 110019), (5915, 108252), (6014, 106470), (6045, 105924), (6084, 105245), (6111, 104780), (6305, 101556), (6510, 98358), (6790, 94302), (7098, 90210), (7254, 88270), (7566, 84630), (7605, 84196), (7812, 81965), (8060, 79443), (8148, 78585), (8190, 78182), (8463, 75660), (8730, 73346), (8827, 72540), (9021, 70980), (9765, 65572), (10140, 63147), (10185, 62868), (10478, 61110), (10647, 60140), (11284, 56745), (11349, 56420), (11830, 54126), (12028, 53235), (12090, 52962), (12222, 52390), (12610, 50778), (13020, 49179), (13580, 47151), (14105, 45396), (14196, 45105), (14508, 44135), (15035, 42588), (15132, 42315), (15210, 42098), (15717, 40740), (16380, 39091), (16393, 39060), (16926, 37830), (17460, 36673), (17654, 36270), (17745, 36084), (18042, 35490), (18135, 35308), (18915, 33852), (19530, 32786), (20370, 31434), (20956, 30555), (21049, 30420), (21294, 30070), (22698, 28210), (23660, 27063), (24180, 26481), (24444, 26195), (25220, 25389)]