65173640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1699}}^1$

素因数の和:1854

約数の個数: 64

約数和(自身を含む): 168912000

約数和(自身を除く): 103738360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1699, 1918, 2740, 3398, 3836, 4795, 5480, 6796, 7672, 8495, 9590, 11893, 13592, 16990, 19180, 23786, 33980, 38360, 47572, 59465, 67960, 95144, 118930, 232763, 237860, 465526, 475720, 931052, 1163815, 1629341, 1862104, 2327630, 3258682, 4655260, 6517364, 8146705, 9310520, 13034728, 16293410, 32586820, 65173640]

約数ペア:

[(1, 65173640), (2, 32586820), (4, 16293410), (5, 13034728), (7, 9310520), (8, 8146705), (10, 6517364), (14, 4655260), (20, 3258682), (28, 2327630), (35, 1862104), (40, 1629341), (56, 1163815), (70, 931052), (137, 475720), (140, 465526), (274, 237860), (280, 232763), (548, 118930), (685, 95144), (959, 67960), (1096, 59465), (1370, 47572), (1699, 38360), (1918, 33980), (2740, 23786), (3398, 19180), (3836, 16990), (4795, 13592), (5480, 11893), (6796, 9590), (7672, 8495)]