420123060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 432

約数和(自身を含む): 1643241600

約数和(自身を除く): 1223118540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 23, 28, 30, 35, 36, 38, 42, 45, 46, 49, 57, 60, 63, 69, 70, 76, 84, 90, 92, 95, 98, 105, 109, 114, 115, 126, 133, 138, 140, 147, 161, 171, 180, 190, 196, 207, 210, 218, 228, 230, 245, 252, 266, 276, 285, 294, 315, 322, 327, 342, 345, 380, 399, 414, 420, 436, 437, 441, 460, 483, 490, 532, 545, 570, 588, 630, 644, 654, 665, 684, 690, 735, 763, 798, 805, 828, 855, 874, 882, 931, 966, 980, 981, 1035, 1090, 1127, 1140, 1197, 1260, 1308, 1311, 1330, 1380, 1449, 1470, 1526, 1596, 1610, 1635, 1710, 1748, 1764, 1862, 1932, 1962, 1995, 2070, 2071, 2180, 2185, 2205, 2254, 2289, 2394, 2415, 2507, 2622, 2660, 2793, 2898, 2940, 3052, 3059, 3220, 3270, 3381, 3420, 3724, 3815, 3924, 3933, 3990, 4140, 4142, 4370, 4410, 4508, 4578, 4655, 4788, 4830, 4905, 5014, 5244, 5341, 5586, 5635, 5796, 5985, 6118, 6213, 6540, 6555, 6762, 6867, 7245, 7521, 7630, 7866, 7980, 8284, 8379, 8740, 8820, 9156, 9177, 9310, 9660, 9810, 10028, 10143, 10355, 10682, 11172, 11270, 11445, 11970, 12236, 12426, 12535, 13110, 13524, 13734, 13965, 14490, 14497, 15042, 15260, 15295, 15732, 16023, 16758, 16905, 17549, 18354, 18620, 18639, 19620, 19665, 20286, 20710, 21364, 21413, 22540, 22563, 22890, 23940, 24852, 25070, 26220, 26705, 27468, 27531, 27930, 28980, 28994, 30084, 30590, 31065, 32046, 33516, 33810, 34335, 35098, 36708, 37278, 37605, 39330, 40572, 41420, 41895, 42826, 43491, 45126, 45780, 45885, 47633, 48069, 50140, 50715, 52647, 53410, 55062, 55860, 57988, 61180, 62130, 64092, 64239, 67620, 68670, 70196, 72485, 74556, 75210, 78660, 80115, 83790, 85652, 86982, 87745, 90252, 91770, 93195, 95266, 96138, 101430, 101479, 105294, 106820, 107065, 110124, 112815, 122843, 124260, 128478, 130473, 137340, 137655, 142899, 144970, 150420, 157941, 160230, 167580, 173964, 175490, 183540, 186390, 190532, 192276, 192717, 202860, 202958, 210588, 214130, 217455, 225630, 238165, 240345, 245686, 256956, 260946, 263235, 275310, 285798, 289940, 304437, 315882, 320460, 321195, 333431, 350980, 368529, 372780, 385434, 405916, 428260, 428697, 434910, 451260, 476330, 480690, 491372, 507395, 521892, 526470, 550620, 571596, 608874, 614215, 631764, 642390, 652365, 666862, 714495, 737058, 770868, 789705, 857394, 869820, 913311, 952660, 961380, 963585, 1000293, 1014790, 1052940, 1105587, 1217748, 1228430, 1284780, 1304730, 1333724, 1428990, 1474116, 1522185, 1579410, 1667155, 1714788, 1826622, 1842645, 1927170, 2000586, 2029580, 2143485, 2211174, 2334017, 2456860, 2609460, 2857980, 3000879, 3044370, 3158820, 3334310, 3653244, 3685290, 3854340, 4001172, 4286970, 4422348, 4566555, 4668034, 5001465, 5527935, 6001758, 6088740, 6668620, 7002051, 7370580, 8573940, 9133110, 9336068, 10002930, 11055870, 11670085, 12003516, 14004102, 15004395, 18266220, 20005860, 21006153, 22111740, 23340170, 28008204, 30008790, 35010255, 42012306, 46680340, 60017580, 70020510, 84024612, 105030765, 140041020, 210061530, 420123060]

約数ペア:

[(1, 420123060), (2, 210061530), (3, 140041020), (4, 105030765), (5, 84024612), (6, 70020510), (7, 60017580), (9, 46680340), (10, 42012306), (12, 35010255), (14, 30008790), (15, 28008204), (18, 23340170), (19, 22111740), (20, 21006153), (21, 20005860), (23, 18266220), (28, 15004395), (30, 14004102), (35, 12003516), (36, 11670085), (38, 11055870), (42, 10002930), (45, 9336068), (46, 9133110), (49, 8573940), (57, 7370580), (60, 7002051), (63, 6668620), (69, 6088740), (70, 6001758), (76, 5527935), (84, 5001465), (90, 4668034), (92, 4566555), (95, 4422348), (98, 4286970), (105, 4001172), (109, 3854340), (114, 3685290), (115, 3653244), (126, 3334310), (133, 3158820), (138, 3044370), (140, 3000879), (147, 2857980), (161, 2609460), (171, 2456860), (180, 2334017), (190, 2211174), (196, 2143485), (207, 2029580), (210, 2000586), (218, 1927170), (228, 1842645), (230, 1826622), (245, 1714788), (252, 1667155), (266, 1579410), (276, 1522185), (285, 1474116), (294, 1428990), (315, 1333724), (322, 1304730), (327, 1284780), (342, 1228430), (345, 1217748), (380, 1105587), (399, 1052940), (414, 1014790), (420, 1000293), (436, 963585), (437, 961380), (441, 952660), (460, 913311), (483, 869820), (490, 857394), (532, 789705), (545, 770868), (570, 737058), (588, 714495), (630, 666862), (644, 652365), (654, 642390), (665, 631764), (684, 614215), (690, 608874), (735, 571596), (763, 550620), (798, 526470), (805, 521892), (828, 507395), (855, 491372), (874, 480690), (882, 476330), (931, 451260), (966, 434910), (980, 428697), (981, 428260), (1035, 405916), (1090, 385434), (1127, 372780), (1140, 368529), (1197, 350980), (1260, 333431), (1308, 321195), (1311, 320460), (1330, 315882), (1380, 304437), (1449, 289940), (1470, 285798), (1526, 275310), (1596, 263235), (1610, 260946), (1635, 256956), (1710, 245686), (1748, 240345), (1764, 238165), (1862, 225630), (1932, 217455), (1962, 214130), (1995, 210588), (2070, 202958), (2071, 202860), (2180, 192717), (2185, 192276), (2205, 190532), (2254, 186390), (2289, 183540), (2394, 175490), (2415, 173964), (2507, 167580), (2622, 160230), (2660, 157941), (2793, 150420), (2898, 144970), (2940, 142899), (3052, 137655), (3059, 137340), (3220, 130473), (3270, 128478), (3381, 124260), (3420, 122843), (3724, 112815), (3815, 110124), (3924, 107065), (3933, 106820), (3990, 105294), (4140, 101479), (4142, 101430), (4370, 96138), (4410, 95266), (4508, 93195), (4578, 91770), (4655, 90252), (4788, 87745), (4830, 86982), (4905, 85652), (5014, 83790), (5244, 80115), (5341, 78660), (5586, 75210), (5635, 74556), (5796, 72485), (5985, 70196), (6118, 68670), (6213, 67620), (6540, 64239), (6555, 64092), (6762, 62130), (6867, 61180), (7245, 57988), (7521, 55860), (7630, 55062), (7866, 53410), (7980, 52647), (8284, 50715), (8379, 50140), (8740, 48069), (8820, 47633), (9156, 45885), (9177, 45780), (9310, 45126), (9660, 43491), (9810, 42826), (10028, 41895), (10143, 41420), (10355, 40572), (10682, 39330), (11172, 37605), (11270, 37278), (11445, 36708), (11970, 35098), (12236, 34335), (12426, 33810), (12535, 33516), (13110, 32046), (13524, 31065), (13734, 30590), (13965, 30084), (14490, 28994), (14497, 28980), (15042, 27930), (15260, 27531), (15295, 27468), (15732, 26705), (16023, 26220), (16758, 25070), (16905, 24852), (17549, 23940), (18354, 22890), (18620, 22563), (18639, 22540), (19620, 21413), (19665, 21364), (20286, 20710)]