81043920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3631}}^1$

素因数の和:3681

約数の個数: 120

約数和(自身を含む): 281029632

約数和(自身を除く): 199985712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3631, 3720, 4464, 5580, 7262, 7440, 10893, 11160, 14524, 18155, 21786, 22320, 29048, 32679, 36310, 43572, 54465, 58096, 65358, 72620, 87144, 108930, 112561, 130716, 145240, 163395, 174288, 217860, 225122, 261432, 290480, 326790, 337683, 435720, 450244, 522864, 562805, 653580, 675366, 871440, 900488, 1013049, 1125610, 1307160, 1350732, 1688415, 1800976, 2026098, 2251220, 2614320, 2701464, 3376830, 4052196, 4502440, 5065245, 5402928, 6753660, 8104392, 9004880, 10130490, 13507320, 16208784, 20260980, 27014640, 40521960, 81043920]

約数ペア:

[(1, 81043920), (2, 40521960), (3, 27014640), (4, 20260980), (5, 16208784), (6, 13507320), (8, 10130490), (9, 9004880), (10, 8104392), (12, 6753660), (15, 5402928), (16, 5065245), (18, 4502440), (20, 4052196), (24, 3376830), (30, 2701464), (31, 2614320), (36, 2251220), (40, 2026098), (45, 1800976), (48, 1688415), (60, 1350732), (62, 1307160), (72, 1125610), (80, 1013049), (90, 900488), (93, 871440), (120, 675366), (124, 653580), (144, 562805), (155, 522864), (180, 450244), (186, 435720), (240, 337683), (248, 326790), (279, 290480), (310, 261432), (360, 225122), (372, 217860), (465, 174288), (496, 163395), (558, 145240), (620, 130716), (720, 112561), (744, 108930), (930, 87144), (1116, 72620), (1240, 65358), (1395, 58096), (1488, 54465), (1860, 43572), (2232, 36310), (2480, 32679), (2790, 29048), (3631, 22320), (3720, 21786), (4464, 18155), (5580, 14524), (7262, 11160), (7440, 10893)]