640253520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2423}}^1$

素因数の和:2809

約数の個数: 120

約数和(自身を含む): 2156933376

約数和(自身を除く): 1516679856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 367, 720, 734, 1101, 1468, 1835, 2202, 2423, 2936, 3303, 3670, 4404, 4846, 5505, 5872, 6606, 7269, 7340, 8808, 9692, 11010, 12115, 13212, 14538, 14680, 16515, 17616, 19384, 21807, 22020, 24230, 26424, 29076, 29360, 33030, 36345, 38768, 43614, 44040, 48460, 52848, 58152, 66060, 72690, 87228, 88080, 96920, 109035, 116304, 132120, 145380, 174456, 193840, 218070, 264240, 290760, 348912, 436140, 581520, 872280, 889241, 1744560, 1778482, 2667723, 3556964, 4446205, 5335446, 7113928, 8003169, 8892410, 10670892, 13338615, 14227856, 16006338, 17784820, 21341784, 26677230, 32012676, 35569640, 40015845, 42683568, 53354460, 64025352, 71139280, 80031690, 106708920, 128050704, 160063380, 213417840, 320126760, 640253520]

約数ペア:

[(1, 640253520), (2, 320126760), (3, 213417840), (4, 160063380), (5, 128050704), (6, 106708920), (8, 80031690), (9, 71139280), (10, 64025352), (12, 53354460), (15, 42683568), (16, 40015845), (18, 35569640), (20, 32012676), (24, 26677230), (30, 21341784), (36, 17784820), (40, 16006338), (45, 14227856), (48, 13338615), (60, 10670892), (72, 8892410), (80, 8003169), (90, 7113928), (120, 5335446), (144, 4446205), (180, 3556964), (240, 2667723), (360, 1778482), (367, 1744560), (720, 889241), (734, 872280), (1101, 581520), (1468, 436140), (1835, 348912), (2202, 290760), (2423, 264240), (2936, 218070), (3303, 193840), (3670, 174456), (4404, 145380), (4846, 132120), (5505, 116304), (5872, 109035), (6606, 96920), (7269, 88080), (7340, 87228), (8808, 72690), (9692, 66060), (11010, 58152), (12115, 52848), (13212, 48460), (14538, 44040), (14680, 43614), (16515, 38768), (17616, 36345), (19384, 33030), (21807, 29360), (22020, 29076), (24230, 26424)]