280090260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{8597}}^1$

素因数の和:8793

約数の個数: 72

約数和(自身を含む): 854400456

約数和(自身を除く): 574310196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 8145, 8597, 10860, 16290, 17194, 25791, 32580, 34388, 42985, 51582, 77373, 85970, 103164, 128955, 154746, 171940, 257910, 309492, 386865, 515820, 773730, 1547460, 1556057, 3112114, 4668171, 6224228, 7780285, 9336342, 14004513, 15560570, 18672684, 23340855, 28009026, 31121140, 46681710, 56018052, 70022565, 93363420, 140045130, 280090260]

約数ペア:

[(1, 280090260), (2, 140045130), (3, 93363420), (4, 70022565), (5, 56018052), (6, 46681710), (9, 31121140), (10, 28009026), (12, 23340855), (15, 18672684), (18, 15560570), (20, 14004513), (30, 9336342), (36, 7780285), (45, 6224228), (60, 4668171), (90, 3112114), (180, 1556057), (181, 1547460), (362, 773730), (543, 515820), (724, 386865), (905, 309492), (1086, 257910), (1629, 171940), (1810, 154746), (2172, 128955), (2715, 103164), (3258, 85970), (3620, 77373), (5430, 51582), (6516, 42985), (8145, 34388), (8597, 32580), (10860, 25791), (16290, 17194)]