30157020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{701}}^1$

素因数の和:955

約数の個数: 72

約数和(自身を含む): 91990080

約数和(自身を除く): 61833060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 701, 717, 956, 1195, 1402, 1434, 2103, 2151, 2390, 2804, 2868, 3505, 3585, 4206, 4302, 4780, 6309, 7010, 7170, 8412, 8604, 10515, 10755, 12618, 14020, 14340, 21030, 21510, 25236, 31545, 42060, 43020, 63090, 126180, 167539, 335078, 502617, 670156, 837695, 1005234, 1507851, 1675390, 2010468, 2513085, 3015702, 3350780, 5026170, 6031404, 7539255, 10052340, 15078510, 30157020]

約数ペア:

[(1, 30157020), (2, 15078510), (3, 10052340), (4, 7539255), (5, 6031404), (6, 5026170), (9, 3350780), (10, 3015702), (12, 2513085), (15, 2010468), (18, 1675390), (20, 1507851), (30, 1005234), (36, 837695), (45, 670156), (60, 502617), (90, 335078), (180, 167539), (239, 126180), (478, 63090), (701, 43020), (717, 42060), (956, 31545), (1195, 25236), (1402, 21510), (1434, 21030), (2103, 14340), (2151, 14020), (2390, 12618), (2804, 10755), (2868, 10515), (3505, 8604), (3585, 8412), (4206, 7170), (4302, 7010), (4780, 6309)]