304489360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{887}}^1$

素因数の和:1520

約数の個数: 80

約数和(自身を含む): 811305216

約数和(自身を除く): 506815856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 613, 887, 1226, 1774, 2452, 3065, 3548, 4291, 4435, 4904, 6130, 6209, 7096, 8582, 8870, 9808, 12260, 12418, 14192, 17164, 17740, 21455, 24520, 24836, 31045, 34328, 35480, 42910, 49040, 49672, 62090, 68656, 70960, 85820, 99344, 124180, 171640, 248360, 343280, 496720, 543731, 1087462, 2174924, 2718655, 3806117, 4349848, 5437310, 7612234, 8699696, 10874620, 15224468, 19030585, 21749240, 30448936, 38061170, 43498480, 60897872, 76122340, 152244680, 304489360]

約数ペア:

[(1, 304489360), (2, 152244680), (4, 76122340), (5, 60897872), (7, 43498480), (8, 38061170), (10, 30448936), (14, 21749240), (16, 19030585), (20, 15224468), (28, 10874620), (35, 8699696), (40, 7612234), (56, 5437310), (70, 4349848), (80, 3806117), (112, 2718655), (140, 2174924), (280, 1087462), (560, 543731), (613, 496720), (887, 343280), (1226, 248360), (1774, 171640), (2452, 124180), (3065, 99344), (3548, 85820), (4291, 70960), (4435, 68656), (4904, 62090), (6130, 49672), (6209, 49040), (7096, 42910), (8582, 35480), (8870, 34328), (9808, 31045), (12260, 24836), (12418, 24520), (14192, 21455), (17164, 17740)]