1780493640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{872791}}^1$

素因数の和:872822

約数の個数: 64

約数和(自身を含む): 5655692160

約数和(自身を除く): 3875198520

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, 872791, 1745582, 2618373, 3491164, 4363955, 5236746, 6982328, 8727910, 10473492, 13091865, 14837447, 17455820, 20946984, 26183730, 29674894, 34911640, 44512341, 52367460, 59349788, 74187235, 89024682, 104734920, 118699576, 148374470, 178049364, 222561705, 296748940, 356098728, 445123410, 593497880, 890246820, 1780493640]

約数ペア:

[(1, 1780493640), (2, 890246820), (3, 593497880), (4, 445123410), (5, 356098728), (6, 296748940), (8, 222561705), (10, 178049364), (12, 148374470), (15, 118699576), (17, 104734920), (20, 89024682), (24, 74187235), (30, 59349788), (34, 52367460), (40, 44512341), (51, 34911640), (60, 29674894), (68, 26183730), (85, 20946984), (102, 17455820), (120, 14837447), (136, 13091865), (170, 10473492), (204, 8727910), (255, 6982328), (340, 5236746), (408, 4363955), (510, 3491164), (680, 2618373), (1020, 1745582), (2040, 872791)]