257157360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{619}}^1$

素因数の和:1215

約数の個数: 120

約数和(自身を含む): 866514480

約数和(自身を除く): 609357120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 577, 619, 720, 1154, 1238, 1731, 1857, 2308, 2476, 2885, 3095, 3462, 3714, 4616, 4952, 5193, 5571, 5770, 6190, 6924, 7428, 8655, 9232, 9285, 9904, 10386, 11142, 11540, 12380, 13848, 14856, 17310, 18570, 20772, 22284, 23080, 24760, 25965, 27696, 27855, 29712, 34620, 37140, 41544, 44568, 46160, 49520, 51930, 55710, 69240, 74280, 83088, 89136, 103860, 111420, 138480, 148560, 207720, 222840, 357163, 415440, 445680, 714326, 1071489, 1428652, 1785815, 2142978, 2857304, 3214467, 3571630, 4285956, 5357445, 5714608, 6428934, 7143260, 8571912, 10714890, 12857868, 14286520, 16072335, 17143824, 21429780, 25715736, 28573040, 32144670, 42859560, 51431472, 64289340, 85719120, 128578680, 257157360]

約数ペア:

[(1, 257157360), (2, 128578680), (3, 85719120), (4, 64289340), (5, 51431472), (6, 42859560), (8, 32144670), (9, 28573040), (10, 25715736), (12, 21429780), (15, 17143824), (16, 16072335), (18, 14286520), (20, 12857868), (24, 10714890), (30, 8571912), (36, 7143260), (40, 6428934), (45, 5714608), (48, 5357445), (60, 4285956), (72, 3571630), (80, 3214467), (90, 2857304), (120, 2142978), (144, 1785815), (180, 1428652), (240, 1071489), (360, 714326), (577, 445680), (619, 415440), (720, 357163), (1154, 222840), (1238, 207720), (1731, 148560), (1857, 138480), (2308, 111420), (2476, 103860), (2885, 89136), (3095, 83088), (3462, 74280), (3714, 69240), (4616, 55710), (4952, 51930), (5193, 49520), (5571, 46160), (5770, 44568), (6190, 41544), (6924, 37140), (7428, 34620), (8655, 29712), (9232, 27855), (9285, 27696), (9904, 25965), (10386, 24760), (11142, 23080), (11540, 22284), (12380, 20772), (13848, 18570), (14856, 17310)]