15405740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6473}}^1$

素因数の和:6506

約数の個数: 48

約数和(自身を含む): 39154752

約数和(自身を除く): 23749012

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 6473, 12946, 25892, 32365, 45311, 64730, 90622, 110041, 129460, 181244, 220082, 226555, 440164, 453110, 550205, 770287, 906220, 1100410, 1540574, 2200820, 3081148, 3851435, 7702870, 15405740]

約数ペア:

[(1, 15405740), (2, 7702870), (4, 3851435), (5, 3081148), (7, 2200820), (10, 1540574), (14, 1100410), (17, 906220), (20, 770287), (28, 550205), (34, 453110), (35, 440164), (68, 226555), (70, 220082), (85, 181244), (119, 129460), (140, 110041), (170, 90622), (238, 64730), (340, 45311), (476, 32365), (595, 25892), (1190, 12946), (2380, 6473)]