285850920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{140123}}^1$

素因数の和:140154

約数の個数: 64

約数和(自身を含む): 908003520

約数和(自身を除く): 622152600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 140123, 280246, 420369, 560492, 700615, 840738, 1120984, 1401230, 1681476, 2101845, 2382091, 2802460, 3362952, 4203690, 4764182, 5604920, 7146273, 8407380, 9528364, 11910455, 14292546, 16814760, 19056728, 23820910, 28585092, 35731365, 47641820, 57170184, 71462730, 95283640, 142925460, 285850920]

約数ペア:

[(1, 285850920), (2, 142925460), (3, 95283640), (4, 71462730), (5, 57170184), (6, 47641820), (8, 35731365), (10, 28585092), (12, 23820910), (15, 19056728), (17, 16814760), (20, 14292546), (24, 11910455), (30, 9528364), (34, 8407380), (40, 7146273), (51, 5604920), (60, 4764182), (68, 4203690), (85, 3362952), (102, 2802460), (120, 2382091), (136, 2101845), (170, 1681476), (204, 1401230), (255, 1120984), (340, 840738), (408, 700615), (510, 560492), (680, 420369), (1020, 280246), (2040, 140123)]