164489360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1229}}^1$

素因数の和:1488

約数の個数: 80

約数和(自身を含む): 439257600

約数和(自身を除く): 274768240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 560, 956, 1195, 1229, 1673, 1912, 2390, 2458, 3346, 3824, 4780, 4916, 6145, 6692, 8365, 8603, 9560, 9832, 12290, 13384, 16730, 17206, 19120, 19664, 24580, 26768, 33460, 34412, 43015, 49160, 66920, 68824, 86030, 98320, 133840, 137648, 172060, 293731, 344120, 587462, 688240, 1174924, 1468655, 2056117, 2349848, 2937310, 4112234, 4699696, 5874620, 8224468, 10280585, 11749240, 16448936, 20561170, 23498480, 32897872, 41122340, 82244680, 164489360]

約数ペア:

[(1, 164489360), (2, 82244680), (4, 41122340), (5, 32897872), (7, 23498480), (8, 20561170), (10, 16448936), (14, 11749240), (16, 10280585), (20, 8224468), (28, 5874620), (35, 4699696), (40, 4112234), (56, 2937310), (70, 2349848), (80, 2056117), (112, 1468655), (140, 1174924), (239, 688240), (280, 587462), (478, 344120), (560, 293731), (956, 172060), (1195, 137648), (1229, 133840), (1673, 98320), (1912, 86030), (2390, 68824), (2458, 66920), (3346, 49160), (3824, 43015), (4780, 34412), (4916, 33460), (6145, 26768), (6692, 24580), (8365, 19664), (8603, 19120), (9560, 17206), (9832, 16730), (12290, 13384)]