90415920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{53819}}^1$

素因数の和:53842

約数の個数: 80

約数和(自身を含む): 320336640

約数和(自身を除く): 229920720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 53819, 107638, 161457, 215276, 269095, 322914, 376733, 430552, 538190, 645828, 753466, 807285, 861104, 1076380, 1130199, 1291656, 1506932, 1614570, 1883665, 2152760, 2260398, 2583312, 3013864, 3229140, 3767330, 4305520, 4520796, 5650995, 6027728, 6458280, 7534660, 9041592, 11301990, 12916560, 15069320, 18083184, 22603980, 30138640, 45207960, 90415920]

約数ペア:

[(1, 90415920), (2, 45207960), (3, 30138640), (4, 22603980), (5, 18083184), (6, 15069320), (7, 12916560), (8, 11301990), (10, 9041592), (12, 7534660), (14, 6458280), (15, 6027728), (16, 5650995), (20, 4520796), (21, 4305520), (24, 3767330), (28, 3229140), (30, 3013864), (35, 2583312), (40, 2260398), (42, 2152760), (48, 1883665), (56, 1614570), (60, 1506932), (70, 1291656), (80, 1130199), (84, 1076380), (105, 861104), (112, 807285), (120, 753466), (140, 645828), (168, 538190), (210, 430552), (240, 376733), (280, 322914), (336, 269095), (420, 215276), (560, 161457), (840, 107638), (1680, 53819)]