128578680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{619}}^1$

素因数の和:1213

約数の個数: 96

約数和(自身を含む): 419281200

約数和(自身を除く): 290702520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 577, 619, 1154, 1238, 1731, 1857, 2308, 2476, 2885, 3095, 3462, 3714, 4616, 4952, 5193, 5571, 5770, 6190, 6924, 7428, 8655, 9285, 10386, 11142, 11540, 12380, 13848, 14856, 17310, 18570, 20772, 22284, 23080, 24760, 25965, 27855, 34620, 37140, 41544, 44568, 51930, 55710, 69240, 74280, 103860, 111420, 207720, 222840, 357163, 714326, 1071489, 1428652, 1785815, 2142978, 2857304, 3214467, 3571630, 4285956, 5357445, 6428934, 7143260, 8571912, 10714890, 12857868, 14286520, 16072335, 21429780, 25715736, 32144670, 42859560, 64289340, 128578680]

約数ペア:

[(1, 128578680), (2, 64289340), (3, 42859560), (4, 32144670), (5, 25715736), (6, 21429780), (8, 16072335), (9, 14286520), (10, 12857868), (12, 10714890), (15, 8571912), (18, 7143260), (20, 6428934), (24, 5357445), (30, 4285956), (36, 3571630), (40, 3214467), (45, 2857304), (60, 2142978), (72, 1785815), (90, 1428652), (120, 1071489), (180, 714326), (360, 357163), (577, 222840), (619, 207720), (1154, 111420), (1238, 103860), (1731, 74280), (1857, 69240), (2308, 55710), (2476, 51930), (2885, 44568), (3095, 41544), (3462, 37140), (3714, 34620), (4616, 27855), (4952, 25965), (5193, 24760), (5571, 23080), (5770, 22284), (6190, 20772), (6924, 18570), (7428, 17310), (8655, 14856), (9285, 13848), (10386, 12380), (11142, 11540)]