153237880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 354585600

約数和(自身を除く): 201347720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 79, 142, 158, 284, 316, 355, 395, 568, 632, 683, 710, 790, 1366, 1420, 1580, 2732, 2840, 3160, 3415, 5464, 5609, 6830, 11218, 13660, 22436, 27320, 28045, 44872, 48493, 53957, 56090, 96986, 107914, 112180, 193972, 215828, 224360, 242465, 269785, 387944, 431656, 484930, 539570, 969860, 1079140, 1939720, 2158280, 3830947, 7661894, 15323788, 19154735, 30647576, 38309470, 76618940, 153237880]

約数ペア:

[(1, 153237880), (2, 76618940), (4, 38309470), (5, 30647576), (8, 19154735), (10, 15323788), (20, 7661894), (40, 3830947), (71, 2158280), (79, 1939720), (142, 1079140), (158, 969860), (284, 539570), (316, 484930), (355, 431656), (395, 387944), (568, 269785), (632, 242465), (683, 224360), (710, 215828), (790, 193972), (1366, 112180), (1420, 107914), (1580, 96986), (2732, 56090), (2840, 53957), (3160, 48493), (3415, 44872), (5464, 28045), (5609, 27320), (6830, 22436), (11218, 13660)]