213908880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{891287}}^1$

素因数の和:891303

約数の個数: 40

約数和(自身を含む): 663118272

約数和(自身を除く): 449209392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 891287, 1782574, 2673861, 3565148, 4456435, 5347722, 7130296, 8912870, 10695444, 13369305, 14260592, 17825740, 21390888, 26738610, 35651480, 42781776, 53477220, 71302960, 106954440, 213908880]

約数ペア:

[(1, 213908880), (2, 106954440), (3, 71302960), (4, 53477220), (5, 42781776), (6, 35651480), (8, 26738610), (10, 21390888), (12, 17825740), (15, 14260592), (16, 13369305), (20, 10695444), (24, 8912870), (30, 7130296), (40, 5347722), (48, 4456435), (60, 3565148), (80, 2673861), (120, 1782574), (240, 891287)]