78701870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 160634880

約数和(自身を除く): 81933010

約数列:

[1, 2, 5, 10, 13, 26, 31, 59, 62, 65, 118, 130, 155, 295, 310, 331, 403, 590, 662, 767, 806, 1534, 1655, 1829, 2015, 3310, 3658, 3835, 4030, 4303, 7670, 8606, 9145, 10261, 18290, 19529, 20522, 21515, 23777, 39058, 43030, 47554, 51305, 97645, 102610, 118885, 133393, 195290, 237770, 253877, 266786, 507754, 605399, 666965, 1210798, 1269385, 1333930, 2538770, 3026995, 6053990, 7870187, 15740374, 39350935, 78701870]

約数ペア:

[(1, 78701870), (2, 39350935), (5, 15740374), (10, 7870187), (13, 6053990), (26, 3026995), (31, 2538770), (59, 1333930), (62, 1269385), (65, 1210798), (118, 666965), (130, 605399), (155, 507754), (295, 266786), (310, 253877), (331, 237770), (403, 195290), (590, 133393), (662, 118885), (767, 102610), (806, 97645), (1534, 51305), (1655, 47554), (1829, 43030), (2015, 39058), (3310, 23777), (3658, 21515), (3835, 20522), (4030, 19529), (4303, 18290), (7670, 10261), (8606, 9145)]