257444460

素因数分解:

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

素因数の和:95

約数の個数: 384

約数和(自身を含む): 1023590400

約数和(自身を除く): 766145940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 31, 35, 36, 39, 42, 45, 52, 54, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 105, 108, 117, 124, 126, 130, 135, 140, 155, 156, 169, 180, 182, 186, 189, 195, 210, 217, 234, 252, 260, 270, 273, 279, 310, 315, 338, 351, 364, 372, 378, 390, 403, 420, 434, 455, 465, 468, 507, 540, 546, 558, 585, 620, 630, 651, 676, 702, 756, 780, 806, 819, 837, 845, 868, 910, 930, 945, 1014, 1085, 1092, 1116, 1170, 1183, 1209, 1260, 1302, 1365, 1395, 1404, 1521, 1612, 1638, 1674, 1690, 1755, 1820, 1860, 1890, 1953, 2015, 2028, 2170, 2197, 2340, 2366, 2418, 2457, 2535, 2604, 2730, 2790, 2821, 3042, 3255, 3276, 3348, 3380, 3510, 3549, 3627, 3780, 3906, 4030, 4095, 4185, 4340, 4394, 4563, 4732, 4836, 4914, 5070, 5239, 5460, 5580, 5642, 5859, 5915, 6045, 6084, 6510, 6591, 7020, 7098, 7254, 7605, 7812, 8060, 8190, 8370, 8463, 8788, 9126, 9765, 9828, 10140, 10478, 10647, 10881, 10985, 11284, 11718, 11830, 12090, 12285, 13020, 13182, 14105, 14196, 14508, 15210, 15379, 15717, 16380, 16740, 16926, 17745, 18135, 18252, 19530, 19773, 20956, 21294, 21762, 21970, 22815, 23436, 23660, 24180, 24570, 25389, 26195, 26364, 28210, 29295, 30420, 30758, 31434, 31941, 32955, 33852, 35490, 36270, 36673, 39060, 39546, 42315, 42588, 43524, 43940, 45630, 46137, 47151, 49140, 50778, 52390, 53235, 54405, 56420, 58590, 59319, 61516, 62868, 63882, 65910, 68107, 70980, 72540, 73346, 76167, 76895, 78585, 79092, 84630, 91260, 92274, 94302, 98865, 101556, 104780, 106470, 108810, 110019, 117180, 118638, 126945, 127764, 131820, 136214, 138411, 141453, 146692, 152334, 153790, 157170, 159705, 169260, 183365, 184548, 188604, 197730, 204321, 212940, 217620, 220038, 230685, 235755, 237276, 253890, 272428, 276822, 282906, 296595, 304668, 307580, 314340, 319410, 330057, 340535, 366730, 380835, 395460, 408642, 415233, 440076, 461370, 471510, 476749, 507780, 550095, 553644, 565812, 593190, 612963, 638820, 660114, 681070, 692055, 707265, 733460, 761670, 817284, 830466, 922740, 943020, 953498, 990171, 1021605, 1100190, 1186380, 1225926, 1320228, 1362140, 1384110, 1414530, 1430247, 1523340, 1650285, 1660932, 1838889, 1906996, 1980342, 2043210, 2076165, 2200380, 2383745, 2451852, 2768220, 2829060, 2860494, 3064815, 3300570, 3677778, 3960684, 4086420, 4152330, 4290741, 4767490, 4950855, 5720988, 6129630, 6601140, 7151235, 7355556, 8304660, 8581482, 9194445, 9534980, 9901710, 12259260, 12872223, 14302470, 17162964, 18388890, 19803420, 21453705, 25744446, 28604940, 36777780, 42907410, 51488892, 64361115, 85814820, 128722230, 257444460]

約数ペア:

[(1, 257444460), (2, 128722230), (3, 85814820), (4, 64361115), (5, 51488892), (6, 42907410), (7, 36777780), (9, 28604940), (10, 25744446), (12, 21453705), (13, 19803420), (14, 18388890), (15, 17162964), (18, 14302470), (20, 12872223), (21, 12259260), (26, 9901710), (27, 9534980), (28, 9194445), (30, 8581482), (31, 8304660), (35, 7355556), (36, 7151235), (39, 6601140), (42, 6129630), (45, 5720988), (52, 4950855), (54, 4767490), (60, 4290741), (62, 4152330), (63, 4086420), (65, 3960684), (70, 3677778), (78, 3300570), (84, 3064815), (90, 2860494), (91, 2829060), (93, 2768220), (105, 2451852), (108, 2383745), (117, 2200380), (124, 2076165), (126, 2043210), (130, 1980342), (135, 1906996), (140, 1838889), (155, 1660932), (156, 1650285), (169, 1523340), (180, 1430247), (182, 1414530), (186, 1384110), (189, 1362140), (195, 1320228), (210, 1225926), (217, 1186380), (234, 1100190), (252, 1021605), (260, 990171), (270, 953498), (273, 943020), (279, 922740), (310, 830466), (315, 817284), (338, 761670), (351, 733460), (364, 707265), (372, 692055), (378, 681070), (390, 660114), (403, 638820), (420, 612963), (434, 593190), (455, 565812), (465, 553644), (468, 550095), (507, 507780), (540, 476749), (546, 471510), (558, 461370), (585, 440076), (620, 415233), (630, 408642), (651, 395460), (676, 380835), (702, 366730), (756, 340535), (780, 330057), (806, 319410), (819, 314340), (837, 307580), (845, 304668), (868, 296595), (910, 282906), (930, 276822), (945, 272428), (1014, 253890), (1085, 237276), (1092, 235755), (1116, 230685), (1170, 220038), (1183, 217620), (1209, 212940), (1260, 204321), (1302, 197730), (1365, 188604), (1395, 184548), (1404, 183365), (1521, 169260), (1612, 159705), (1638, 157170), (1674, 153790), (1690, 152334), (1755, 146692), (1820, 141453), (1860, 138411), (1890, 136214), (1953, 131820), (2015, 127764), (2028, 126945), (2170, 118638), (2197, 117180), (2340, 110019), (2366, 108810), (2418, 106470), (2457, 104780), (2535, 101556), (2604, 98865), (2730, 94302), (2790, 92274), (2821, 91260), (3042, 84630), (3255, 79092), (3276, 78585), (3348, 76895), (3380, 76167), (3510, 73346), (3549, 72540), (3627, 70980), (3780, 68107), (3906, 65910), (4030, 63882), (4095, 62868), (4185, 61516), (4340, 59319), (4394, 58590), (4563, 56420), (4732, 54405), (4836, 53235), (4914, 52390), (5070, 50778), (5239, 49140), (5460, 47151), (5580, 46137), (5642, 45630), (5859, 43940), (5915, 43524), (6045, 42588), (6084, 42315), (6510, 39546), (6591, 39060), (7020, 36673), (7098, 36270), (7254, 35490), (7605, 33852), (7812, 32955), (8060, 31941), (8190, 31434), (8370, 30758), (8463, 30420), (8788, 29295), (9126, 28210), (9765, 26364), (9828, 26195), (10140, 25389), (10478, 24570), (10647, 24180), (10881, 23660), (10985, 23436), (11284, 22815), (11718, 21970), (11830, 21762), (12090, 21294), (12285, 20956), (13020, 19773), (13182, 19530), (14105, 18252), (14196, 18135), (14508, 17745), (15210, 16926), (15379, 16740), (15717, 16380)]