65168880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{38791}}^1$

素因数の和:38814

約数の個数: 80

約数和(自身を含む): 230889984

約数和(自身を除く): 165721104

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, 38791, 77582, 116373, 155164, 193955, 232746, 271537, 310328, 387910, 465492, 543074, 581865, 620656, 775820, 814611, 930984, 1086148, 1163730, 1357685, 1551640, 1629222, 1861968, 2172296, 2327460, 2715370, 3103280, 3258444, 4073055, 4344592, 4654920, 5430740, 6516888, 8146110, 9309840, 10861480, 13033776, 16292220, 21722960, 32584440, 65168880]

約数ペア:

[(1, 65168880), (2, 32584440), (3, 21722960), (4, 16292220), (5, 13033776), (6, 10861480), (7, 9309840), (8, 8146110), (10, 6516888), (12, 5430740), (14, 4654920), (15, 4344592), (16, 4073055), (20, 3258444), (21, 3103280), (24, 2715370), (28, 2327460), (30, 2172296), (35, 1861968), (40, 1629222), (42, 1551640), (48, 1357685), (56, 1163730), (60, 1086148), (70, 930984), (80, 814611), (84, 775820), (105, 620656), (112, 581865), (120, 543074), (140, 465492), (168, 387910), (210, 310328), (240, 271537), (280, 232746), (336, 193955), (420, 155164), (560, 116373), (840, 77582), (1680, 38791)]