81128760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39769}}^1$

素因数の和:39800

約数の個数: 64

約数和(自身を含む): 257709600

約数和(自身を除く): 176580840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 39769, 79538, 119307, 159076, 198845, 238614, 318152, 397690, 477228, 596535, 676073, 795380, 954456, 1193070, 1352146, 1590760, 2028219, 2386140, 2704292, 3380365, 4056438, 4772280, 5408584, 6760730, 8112876, 10141095, 13521460, 16225752, 20282190, 27042920, 40564380, 81128760]

約数ペア:

[(1, 81128760), (2, 40564380), (3, 27042920), (4, 20282190), (5, 16225752), (6, 13521460), (8, 10141095), (10, 8112876), (12, 6760730), (15, 5408584), (17, 4772280), (20, 4056438), (24, 3380365), (30, 2704292), (34, 2386140), (40, 2028219), (51, 1590760), (60, 1352146), (68, 1193070), (85, 954456), (102, 795380), (120, 676073), (136, 596535), (170, 477228), (204, 397690), (255, 318152), (340, 238614), (408, 198845), (510, 159076), (680, 119307), (1020, 79538), (2040, 39769)]