345720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 1077120

約数和(自身を除く): 731400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 67, 86, 120, 129, 134, 172, 201, 215, 258, 268, 335, 344, 402, 430, 516, 536, 645, 670, 804, 860, 1005, 1032, 1290, 1340, 1608, 1720, 2010, 2580, 2680, 2881, 4020, 5160, 5762, 8040, 8643, 11524, 14405, 17286, 23048, 28810, 34572, 43215, 57620, 69144, 86430, 115240, 172860, 345720]

約数ペア:

[(1, 345720), (2, 172860), (3, 115240), (4, 86430), (5, 69144), (6, 57620), (8, 43215), (10, 34572), (12, 28810), (15, 23048), (20, 17286), (24, 14405), (30, 11524), (40, 8643), (43, 8040), (60, 5762), (67, 5160), (86, 4020), (120, 2881), (129, 2680), (134, 2580), (172, 2010), (201, 1720), (215, 1608), (258, 1340), (268, 1290), (335, 1032), (344, 1005), (402, 860), (430, 804), (516, 670), (536, 645)]