87191820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3251}}^1$

素因数の和:3415

約数の個数: 72

約数和(自身を含む): 266338800

約数和(自身を除く): 179146980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 3251, 4470, 5364, 6502, 6705, 8940, 9753, 13004, 13410, 16255, 19506, 26820, 29259, 32510, 39012, 48765, 58518, 65020, 97530, 117036, 146295, 195060, 292590, 484399, 585180, 968798, 1453197, 1937596, 2421995, 2906394, 4359591, 4843990, 5812788, 7265985, 8719182, 9687980, 14531970, 17438364, 21797955, 29063940, 43595910, 87191820]

約数ペア:

[(1, 87191820), (2, 43595910), (3, 29063940), (4, 21797955), (5, 17438364), (6, 14531970), (9, 9687980), (10, 8719182), (12, 7265985), (15, 5812788), (18, 4843990), (20, 4359591), (30, 2906394), (36, 2421995), (45, 1937596), (60, 1453197), (90, 968798), (149, 585180), (180, 484399), (298, 292590), (447, 195060), (596, 146295), (745, 117036), (894, 97530), (1341, 65020), (1490, 58518), (1788, 48765), (2235, 39012), (2682, 32510), (2980, 29259), (3251, 26820), (4470, 19506), (5364, 16255), (6502, 13410), (6705, 13004), (8940, 9753)]