977871280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1\times {\mathrm{857}}^1$

素因数の和:1726

約数の個数: 80

約数和(自身を含む): 2412970560

約数和(自身を除く): 1435099280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 839, 857, 1360, 1678, 1714, 3356, 3428, 4195, 4285, 6712, 6856, 8390, 8570, 13424, 13712, 14263, 14569, 16780, 17140, 28526, 29138, 33560, 34280, 57052, 58276, 67120, 68560, 71315, 72845, 114104, 116552, 142630, 145690, 228208, 233104, 285260, 291380, 570520, 582760, 719023, 1141040, 1165520, 1438046, 2876092, 3595115, 5752184, 7190230, 11504368, 12223391, 14380460, 24446782, 28760920, 48893564, 57521840, 61116955, 97787128, 122233910, 195574256, 244467820, 488935640, 977871280]

約数ペア:

[(1, 977871280), (2, 488935640), (4, 244467820), (5, 195574256), (8, 122233910), (10, 97787128), (16, 61116955), (17, 57521840), (20, 48893564), (34, 28760920), (40, 24446782), (68, 14380460), (80, 12223391), (85, 11504368), (136, 7190230), (170, 5752184), (272, 3595115), (340, 2876092), (680, 1438046), (839, 1165520), (857, 1141040), (1360, 719023), (1678, 582760), (1714, 570520), (3356, 291380), (3428, 285260), (4195, 233104), (4285, 228208), (6712, 145690), (6856, 142630), (8390, 116552), (8570, 114104), (13424, 72845), (13712, 71315), (14263, 68560), (14569, 67120), (16780, 58276), (17140, 57052), (28526, 34280), (29138, 33560)]