87848540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 209986560

約数和(自身を除く): 122138020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 61, 65, 116, 122, 130, 145, 191, 244, 260, 290, 305, 377, 382, 580, 610, 754, 764, 793, 955, 1220, 1508, 1586, 1769, 1885, 1910, 2483, 3172, 3538, 3770, 3820, 3965, 4966, 5539, 7076, 7540, 7930, 8845, 9932, 11078, 11651, 12415, 15860, 17690, 22156, 22997, 23302, 24830, 27695, 35380, 45994, 46604, 49660, 55390, 58255, 72007, 91988, 110780, 114985, 116510, 144014, 151463, 229970, 233020, 288028, 302926, 337879, 360035, 459940, 605852, 675758, 720070, 757315, 1351516, 1440140, 1514630, 1689395, 3029260, 3378790, 4392427, 6757580, 8784854, 17569708, 21962135, 43924270, 87848540]

約数ペア:

[(1, 87848540), (2, 43924270), (4, 21962135), (5, 17569708), (10, 8784854), (13, 6757580), (20, 4392427), (26, 3378790), (29, 3029260), (52, 1689395), (58, 1514630), (61, 1440140), (65, 1351516), (116, 757315), (122, 720070), (130, 675758), (145, 605852), (191, 459940), (244, 360035), (260, 337879), (290, 302926), (305, 288028), (377, 233020), (382, 229970), (580, 151463), (610, 144014), (754, 116510), (764, 114985), (793, 110780), (955, 91988), (1220, 72007), (1508, 58255), (1586, 55390), (1769, 49660), (1885, 46604), (1910, 45994), (2483, 35380), (3172, 27695), (3538, 24830), (3770, 23302), (3820, 22997), (3965, 22156), (4966, 17690), (5539, 15860), (7076, 12415), (7540, 11651), (7930, 11078), (8845, 9932)]