72048780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{701}}^1$

素因数の和:1287

約数の個数: 72

約数和(自身を含む): 219243024

約数和(自身を除く): 147194244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 571, 701, 1142, 1402, 1713, 2103, 2284, 2804, 2855, 3426, 3505, 4206, 5139, 5710, 6309, 6852, 7010, 8412, 8565, 10278, 10515, 11420, 12618, 14020, 17130, 20556, 21030, 25236, 25695, 31545, 34260, 42060, 51390, 63090, 102780, 126180, 400271, 800542, 1200813, 1601084, 2001355, 2401626, 3602439, 4002710, 4803252, 6004065, 7204878, 8005420, 12008130, 14409756, 18012195, 24016260, 36024390, 72048780]

約数ペア:

[(1, 72048780), (2, 36024390), (3, 24016260), (4, 18012195), (5, 14409756), (6, 12008130), (9, 8005420), (10, 7204878), (12, 6004065), (15, 4803252), (18, 4002710), (20, 3602439), (30, 2401626), (36, 2001355), (45, 1601084), (60, 1200813), (90, 800542), (180, 400271), (571, 126180), (701, 102780), (1142, 63090), (1402, 51390), (1713, 42060), (2103, 34260), (2284, 31545), (2804, 25695), (2855, 25236), (3426, 21030), (3505, 20556), (4206, 17130), (5139, 14020), (5710, 12618), (6309, 11420), (6852, 10515), (7010, 10278), (8412, 8565)]