281420880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90199}}^1$

素因数の和:90228

約数の個数: 80

約数和(自身を含む): 939523200

約数和(自身を除く): 658102320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 90199, 180398, 270597, 360796, 450995, 541194, 721592, 901990, 1082388, 1172587, 1352985, 1443184, 1803980, 2164776, 2345174, 2705970, 3517761, 3607960, 4329552, 4690348, 5411940, 5862935, 7035522, 7215920, 9380696, 10823880, 11725870, 14071044, 17588805, 18761392, 21647760, 23451740, 28142088, 35177610, 46903480, 56284176, 70355220, 93806960, 140710440, 281420880]

約数ペア:

[(1, 281420880), (2, 140710440), (3, 93806960), (4, 70355220), (5, 56284176), (6, 46903480), (8, 35177610), (10, 28142088), (12, 23451740), (13, 21647760), (15, 18761392), (16, 17588805), (20, 14071044), (24, 11725870), (26, 10823880), (30, 9380696), (39, 7215920), (40, 7035522), (48, 5862935), (52, 5411940), (60, 4690348), (65, 4329552), (78, 3607960), (80, 3517761), (104, 2705970), (120, 2345174), (130, 2164776), (156, 1803980), (195, 1443184), (208, 1352985), (240, 1172587), (260, 1082388), (312, 901990), (390, 721592), (520, 541194), (624, 450995), (780, 360796), (1040, 270597), (1560, 180398), (3120, 90199)]