909840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 2999808

約数和(自身を除く): 2089968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 223, 240, 255, 272, 340, 408, 446, 510, 669, 680, 816, 892, 1020, 1115, 1338, 1360, 1784, 2040, 2230, 2676, 3345, 3568, 3791, 4080, 4460, 5352, 6690, 7582, 8920, 10704, 11373, 13380, 15164, 17840, 18955, 22746, 26760, 30328, 37910, 45492, 53520, 56865, 60656, 75820, 90984, 113730, 151640, 181968, 227460, 303280, 454920, 909840]

約数ペア:

[(1, 909840), (2, 454920), (3, 303280), (4, 227460), (5, 181968), (6, 151640), (8, 113730), (10, 90984), (12, 75820), (15, 60656), (16, 56865), (17, 53520), (20, 45492), (24, 37910), (30, 30328), (34, 26760), (40, 22746), (48, 18955), (51, 17840), (60, 15164), (68, 13380), (80, 11373), (85, 10704), (102, 8920), (120, 7582), (136, 6690), (170, 5352), (204, 4460), (223, 4080), (240, 3791), (255, 3568), (272, 3345), (340, 2676), (408, 2230), (446, 2040), (510, 1784), (669, 1360), (680, 1338), (816, 1115), (892, 1020)]