405465120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 216

約数和(自身を含む): 1434602988

約数和(自身を除く): 1029137868

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 293, 310, 360, 372, 465, 480, 496, 558, 586, 620, 720, 744, 879, 930, 961, 992, 1116, 1172, 1240, 1395, 1440, 1465, 1488, 1758, 1860, 1922, 2232, 2344, 2480, 2637, 2790, 2883, 2930, 2976, 3516, 3720, 3844, 4395, 4464, 4688, 4805, 4960, 5274, 5580, 5766, 5860, 7032, 7440, 7688, 8649, 8790, 8928, 9083, 9376, 9610, 10548, 11160, 11532, 11720, 13185, 14064, 14415, 14880, 15376, 17298, 17580, 18166, 19220, 21096, 22320, 23064, 23440, 26370, 27249, 28128, 28830, 30752, 34596, 35160, 36332, 38440, 42192, 43245, 44640, 45415, 46128, 46880, 52740, 54498, 57660, 69192, 70320, 72664, 76880, 81747, 84384, 86490, 90830, 92256, 105480, 108996, 115320, 136245, 138384, 140640, 145328, 153760, 163494, 172980, 181660, 210960, 217992, 230640, 272490, 276768, 281573, 290656, 326988, 345960, 363320, 408735, 421920, 435984, 461280, 544980, 563146, 653976, 691920, 726640, 817470, 844719, 871968, 1089960, 1126292, 1307952, 1383840, 1407865, 1453280, 1634940, 1689438, 2179920, 2252584, 2534157, 2615904, 2815730, 3269880, 3378876, 4223595, 4359840, 4505168, 5068314, 5631460, 6539760, 6757752, 8447190, 9010336, 10136628, 11262920, 12670785, 13079520, 13515504, 16894380, 20273256, 22525840, 25341570, 27031008, 33788760, 40546512, 45051680, 50683140, 67577520, 81093024, 101366280, 135155040, 202732560, 405465120]

約数ペア:

[(1, 405465120), (2, 202732560), (3, 135155040), (4, 101366280), (5, 81093024), (6, 67577520), (8, 50683140), (9, 45051680), (10, 40546512), (12, 33788760), (15, 27031008), (16, 25341570), (18, 22525840), (20, 20273256), (24, 16894380), (30, 13515504), (31, 13079520), (32, 12670785), (36, 11262920), (40, 10136628), (45, 9010336), (48, 8447190), (60, 6757752), (62, 6539760), (72, 5631460), (80, 5068314), (90, 4505168), (93, 4359840), (96, 4223595), (120, 3378876), (124, 3269880), (144, 2815730), (155, 2615904), (160, 2534157), (180, 2252584), (186, 2179920), (240, 1689438), (248, 1634940), (279, 1453280), (288, 1407865), (293, 1383840), (310, 1307952), (360, 1126292), (372, 1089960), (465, 871968), (480, 844719), (496, 817470), (558, 726640), (586, 691920), (620, 653976), (720, 563146), (744, 544980), (879, 461280), (930, 435984), (961, 421920), (992, 408735), (1116, 363320), (1172, 345960), (1240, 326988), (1395, 290656), (1440, 281573), (1465, 276768), (1488, 272490), (1758, 230640), (1860, 217992), (1922, 210960), (2232, 181660), (2344, 172980), (2480, 163494), (2637, 153760), (2790, 145328), (2883, 140640), (2930, 138384), (2976, 136245), (3516, 115320), (3720, 108996), (3844, 105480), (4395, 92256), (4464, 90830), (4688, 86490), (4805, 84384), (4960, 81747), (5274, 76880), (5580, 72664), (5766, 70320), (5860, 69192), (7032, 57660), (7440, 54498), (7688, 52740), (8649, 46880), (8790, 46128), (8928, 45415), (9083, 44640), (9376, 43245), (9610, 42192), (10548, 38440), (11160, 36332), (11532, 35160), (11720, 34596), (13185, 30752), (14064, 28830), (14415, 28128), (14880, 27249), (15376, 26370), (17298, 23440), (17580, 23064), (18166, 22320), (19220, 21096)]