80668980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{21341}}^1$

素因数の和:21366

約数の個数: 96

約数和(自身を含む): 286836480

約数和(自身を除く): 206167500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 21341, 42682, 64023, 85364, 106705, 128046, 149387, 192069, 213410, 256092, 298774, 320115, 384138, 426820, 448161, 576207, 597548, 640230, 746935, 768276, 896322, 960345, 1152414, 1280460, 1344483, 1493870, 1792644, 1920690, 2240805, 2304828, 2688966, 2881035, 2987740, 3841380, 4033449, 4481610, 5377932, 5762070, 6722415, 8066898, 8963220, 11524140, 13444830, 16133796, 20167245, 26889660, 40334490, 80668980]

約数ペア:

[(1, 80668980), (2, 40334490), (3, 26889660), (4, 20167245), (5, 16133796), (6, 13444830), (7, 11524140), (9, 8963220), (10, 8066898), (12, 6722415), (14, 5762070), (15, 5377932), (18, 4481610), (20, 4033449), (21, 3841380), (27, 2987740), (28, 2881035), (30, 2688966), (35, 2304828), (36, 2240805), (42, 1920690), (45, 1792644), (54, 1493870), (60, 1344483), (63, 1280460), (70, 1152414), (84, 960345), (90, 896322), (105, 768276), (108, 746935), (126, 640230), (135, 597548), (140, 576207), (180, 448161), (189, 426820), (210, 384138), (252, 320115), (270, 298774), (315, 256092), (378, 213410), (420, 192069), (540, 149387), (630, 128046), (756, 106705), (945, 85364), (1260, 64023), (1890, 42682), (3780, 21341)]