2578276560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{249833}}^1$

素因数の和:249892

約数の個数: 80

約数和(自身を含む): 8178565824

約数和(自身を除く): 5600289264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 249833, 499666, 749499, 999332, 1249165, 1498998, 1998664, 2498330, 2997996, 3747495, 3997328, 4996660, 5995992, 7494990, 9993320, 10742819, 11991984, 14989980, 19986640, 21485638, 29979960, 32228457, 42971276, 53714095, 59959920, 64456914, 85942552, 107428190, 128913828, 161142285, 171885104, 214856380, 257827656, 322284570, 429712760, 515655312, 644569140, 859425520, 1289138280, 2578276560]

約数ペア:

[(1, 2578276560), (2, 1289138280), (3, 859425520), (4, 644569140), (5, 515655312), (6, 429712760), (8, 322284570), (10, 257827656), (12, 214856380), (15, 171885104), (16, 161142285), (20, 128913828), (24, 107428190), (30, 85942552), (40, 64456914), (43, 59959920), (48, 53714095), (60, 42971276), (80, 32228457), (86, 29979960), (120, 21485638), (129, 19986640), (172, 14989980), (215, 11991984), (240, 10742819), (258, 9993320), (344, 7494990), (430, 5995992), (516, 4996660), (645, 3997328), (688, 3747495), (860, 2997996), (1032, 2498330), (1290, 1998664), (1720, 1498998), (2064, 1249165), (2580, 999332), (3440, 749499), (5160, 499666), (10320, 249833)]