257101560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2357}}^1$

素因数の和:2478

約数の個数: 128

約数和(自身を含む): 865857600

約数和(自身を除く): 608756040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 101, 108, 120, 135, 180, 202, 216, 270, 303, 360, 404, 505, 540, 606, 808, 909, 1010, 1080, 1212, 1515, 1818, 2020, 2357, 2424, 2727, 3030, 3636, 4040, 4545, 4714, 5454, 6060, 7071, 7272, 9090, 9428, 10908, 11785, 12120, 13635, 14142, 18180, 18856, 21213, 21816, 23570, 27270, 28284, 35355, 36360, 42426, 47140, 54540, 56568, 63639, 70710, 84852, 94280, 106065, 109080, 127278, 141420, 169704, 212130, 238057, 254556, 282840, 318195, 424260, 476114, 509112, 636390, 714171, 848520, 952228, 1190285, 1272780, 1428342, 1904456, 2142513, 2380570, 2545560, 2856684, 3570855, 4285026, 4761140, 5713368, 6427539, 7141710, 8570052, 9522280, 10712565, 12855078, 14283420, 17140104, 21425130, 25710156, 28566840, 32137695, 42850260, 51420312, 64275390, 85700520, 128550780, 257101560]

約数ペア:

[(1, 257101560), (2, 128550780), (3, 85700520), (4, 64275390), (5, 51420312), (6, 42850260), (8, 32137695), (9, 28566840), (10, 25710156), (12, 21425130), (15, 17140104), (18, 14283420), (20, 12855078), (24, 10712565), (27, 9522280), (30, 8570052), (36, 7141710), (40, 6427539), (45, 5713368), (54, 4761140), (60, 4285026), (72, 3570855), (90, 2856684), (101, 2545560), (108, 2380570), (120, 2142513), (135, 1904456), (180, 1428342), (202, 1272780), (216, 1190285), (270, 952228), (303, 848520), (360, 714171), (404, 636390), (505, 509112), (540, 476114), (606, 424260), (808, 318195), (909, 282840), (1010, 254556), (1080, 238057), (1212, 212130), (1515, 169704), (1818, 141420), (2020, 127278), (2357, 109080), (2424, 106065), (2727, 94280), (3030, 84852), (3636, 70710), (4040, 63639), (4545, 56568), (4714, 54540), (5454, 47140), (6060, 42426), (7071, 36360), (7272, 35355), (9090, 28284), (9428, 27270), (10908, 23570), (11785, 21816), (12120, 21213), (13635, 18856), (14142, 18180)]