18590520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 63685440

約数和(自身を除く): 45094920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 701, 780, 884, 1020, 1105, 1326, 1402, 1560, 1768, 2040, 2103, 2210, 2652, 2804, 3315, 3505, 4206, 4420, 5304, 5608, 6630, 7010, 8412, 8840, 9113, 10515, 11917, 13260, 14020, 16824, 18226, 21030, 23834, 26520, 27339, 28040, 35751, 36452, 42060, 45565, 47668, 54678, 59585, 71502, 72904, 84120, 91130, 95336, 109356, 119170, 136695, 143004, 154921, 178755, 182260, 218712, 238340, 273390, 286008, 309842, 357510, 364520, 464763, 476680, 546780, 619684, 715020, 774605, 929526, 1093560, 1239368, 1430040, 1549210, 1859052, 2323815, 3098420, 3718104, 4647630, 6196840, 9295260, 18590520]

約数ペア:

[(1, 18590520), (2, 9295260), (3, 6196840), (4, 4647630), (5, 3718104), (6, 3098420), (8, 2323815), (10, 1859052), (12, 1549210), (13, 1430040), (15, 1239368), (17, 1093560), (20, 929526), (24, 774605), (26, 715020), (30, 619684), (34, 546780), (39, 476680), (40, 464763), (51, 364520), (52, 357510), (60, 309842), (65, 286008), (68, 273390), (78, 238340), (85, 218712), (102, 182260), (104, 178755), (120, 154921), (130, 143004), (136, 136695), (156, 119170), (170, 109356), (195, 95336), (204, 91130), (221, 84120), (255, 72904), (260, 71502), (312, 59585), (340, 54678), (390, 47668), (408, 45565), (442, 42060), (510, 36452), (520, 35751), (663, 28040), (680, 27339), (701, 26520), (780, 23834), (884, 21030), (1020, 18226), (1105, 16824), (1326, 14020), (1402, 13260), (1560, 11917), (1768, 10515), (2040, 9113), (2103, 8840), (2210, 8412), (2652, 7010), (2804, 6630), (3315, 5608), (3505, 5304), (4206, 4420)]