65321620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1937

約数の個数: 96

約数和(自身を含む): 177811200

約数和(自身を除く): 112489580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 1889, 2470, 2660, 3458, 3778, 4940, 6916, 7556, 8645, 9445, 13223, 17290, 18890, 24557, 26446, 34580, 35891, 37780, 49114, 52892, 66115, 71782, 98228, 122785, 132230, 143564, 171899, 179455, 245570, 251237, 264460, 343798, 358910, 466583, 491140, 502474, 687596, 717820, 859495, 933166, 1004948, 1256185, 1718990, 1866332, 2332915, 2512370, 3266081, 3437980, 4665830, 5024740, 6532162, 9331660, 13064324, 16330405, 32660810, 65321620]

約数ペア:

[(1, 65321620), (2, 32660810), (4, 16330405), (5, 13064324), (7, 9331660), (10, 6532162), (13, 5024740), (14, 4665830), (19, 3437980), (20, 3266081), (26, 2512370), (28, 2332915), (35, 1866332), (38, 1718990), (52, 1256185), (65, 1004948), (70, 933166), (76, 859495), (91, 717820), (95, 687596), (130, 502474), (133, 491140), (140, 466583), (182, 358910), (190, 343798), (247, 264460), (260, 251237), (266, 245570), (364, 179455), (380, 171899), (455, 143564), (494, 132230), (532, 122785), (665, 98228), (910, 71782), (988, 66115), (1235, 52892), (1330, 49114), (1729, 37780), (1820, 35891), (1889, 34580), (2470, 26446), (2660, 24557), (3458, 18890), (3778, 17290), (4940, 13223), (6916, 9445), (7556, 8645)]