89405820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{70957}}^1$

素因数の和:70979

約数の個数: 72

約数和(自身を含む): 309944544

約数和(自身を除く): 220538724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 70957, 141914, 212871, 283828, 354785, 425742, 496699, 638613, 709570, 851484, 993398, 1064355, 1277226, 1419140, 1490097, 1986796, 2128710, 2483495, 2554452, 2980194, 3193065, 4257420, 4470291, 4966990, 5960388, 6386130, 7450485, 8940582, 9933980, 12772260, 14900970, 17881164, 22351455, 29801940, 44702910, 89405820]

約数ペア:

[(1, 89405820), (2, 44702910), (3, 29801940), (4, 22351455), (5, 17881164), (6, 14900970), (7, 12772260), (9, 9933980), (10, 8940582), (12, 7450485), (14, 6386130), (15, 5960388), (18, 4966990), (20, 4470291), (21, 4257420), (28, 3193065), (30, 2980194), (35, 2554452), (36, 2483495), (42, 2128710), (45, 1986796), (60, 1490097), (63, 1419140), (70, 1277226), (84, 1064355), (90, 993398), (105, 851484), (126, 709570), (140, 638613), (180, 496699), (210, 425742), (252, 354785), (315, 283828), (420, 212871), (630, 141914), (1260, 70957)]