81164820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3967}}^1$

素因数の和:4021

約数の個数: 96

約数和(自身を含む): 255983616

約数和(自身を除く): 174818796

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 1023, 1364, 1705, 1860, 2046, 3410, 3967, 4092, 5115, 6820, 7934, 10230, 11901, 15868, 19835, 20460, 23802, 39670, 43637, 47604, 59505, 79340, 87274, 119010, 122977, 130911, 174548, 218185, 238020, 245954, 261822, 368931, 436370, 491908, 523644, 614885, 654555, 737862, 872740, 1229770, 1309110, 1352747, 1475724, 1844655, 2459540, 2618220, 2705494, 3689310, 4058241, 5410988, 6763735, 7378620, 8116482, 13527470, 16232964, 20291205, 27054940, 40582410, 81164820]

約数ペア:

[(1, 81164820), (2, 40582410), (3, 27054940), (4, 20291205), (5, 16232964), (6, 13527470), (10, 8116482), (11, 7378620), (12, 6763735), (15, 5410988), (20, 4058241), (22, 3689310), (30, 2705494), (31, 2618220), (33, 2459540), (44, 1844655), (55, 1475724), (60, 1352747), (62, 1309110), (66, 1229770), (93, 872740), (110, 737862), (124, 654555), (132, 614885), (155, 523644), (165, 491908), (186, 436370), (220, 368931), (310, 261822), (330, 245954), (341, 238020), (372, 218185), (465, 174548), (620, 130911), (660, 122977), (682, 119010), (930, 87274), (1023, 79340), (1364, 59505), (1705, 47604), (1860, 43637), (2046, 39670), (3410, 23802), (3967, 20460), (4092, 19835), (5115, 15868), (6820, 11901), (7934, 10230)]