120704664320

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{678421}}^1$

素因数の和:678581

約数の個数: 72

約数和(自身を含む): 291205859280

約数和(自身を除く): 170501194960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 556, 640, 695, 1112, 1280, 1390, 2224, 2780, 4448, 5560, 8896, 11120, 17792, 22240, 35584, 44480, 88960, 177920, 678421, 1356842, 2713684, 3392105, 5427368, 6784210, 10854736, 13568420, 21709472, 27136840, 43418944, 54273680, 86837888, 94300519, 108547360, 173675776, 188601038, 217094720, 377202076, 434189440, 471502595, 754404152, 868378880, 943005190, 1508808304, 1886010380, 3017616608, 3772020760, 6035233216, 7544041520, 12070466432, 15088083040, 24140932864, 30176166080, 60352332160, 120704664320]

約数ペア:

[(1, 120704664320), (2, 60352332160), (4, 30176166080), (5, 24140932864), (8, 15088083040), (10, 12070466432), (16, 7544041520), (20, 6035233216), (32, 3772020760), (40, 3017616608), (64, 1886010380), (80, 1508808304), (128, 943005190), (139, 868378880), (160, 754404152), (256, 471502595), (278, 434189440), (320, 377202076), (556, 217094720), (640, 188601038), (695, 173675776), (1112, 108547360), (1280, 94300519), (1390, 86837888), (2224, 54273680), (2780, 43418944), (4448, 27136840), (5560, 21709472), (8896, 13568420), (11120, 10854736), (17792, 6784210), (22240, 5427368), (35584, 3392105), (44480, 2713684), (88960, 1356842), (177920, 678421)]