80266620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{857}}^1$

素因数の和:1099

約数の個数: 96

約数和(自身を含む): 258306048

約数和(自身を除く): 178039428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 223, 420, 446, 669, 857, 892, 1115, 1338, 1561, 1714, 2230, 2571, 2676, 3122, 3345, 3428, 4285, 4460, 4683, 5142, 5999, 6244, 6690, 7805, 8570, 9366, 10284, 11998, 12855, 13380, 15610, 17140, 17997, 18732, 23415, 23996, 25710, 29995, 31220, 35994, 46830, 51420, 59990, 71988, 89985, 93660, 119980, 179970, 191111, 359940, 382222, 573333, 764444, 955555, 1146666, 1337777, 1911110, 2293332, 2675554, 2866665, 3822220, 4013331, 5351108, 5733330, 6688885, 8026662, 11466660, 13377770, 16053324, 20066655, 26755540, 40133310, 80266620]

約数ペア:

[(1, 80266620), (2, 40133310), (3, 26755540), (4, 20066655), (5, 16053324), (6, 13377770), (7, 11466660), (10, 8026662), (12, 6688885), (14, 5733330), (15, 5351108), (20, 4013331), (21, 3822220), (28, 2866665), (30, 2675554), (35, 2293332), (42, 1911110), (60, 1337777), (70, 1146666), (84, 955555), (105, 764444), (140, 573333), (210, 382222), (223, 359940), (420, 191111), (446, 179970), (669, 119980), (857, 93660), (892, 89985), (1115, 71988), (1338, 59990), (1561, 51420), (1714, 46830), (2230, 35994), (2571, 31220), (2676, 29995), (3122, 25710), (3345, 23996), (3428, 23415), (4285, 18732), (4460, 17997), (4683, 17140), (5142, 15610), (5999, 13380), (6244, 12855), (6690, 11998), (7805, 10284), (8570, 9366)]