670996880

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 1584850944

約数和(自身を除く): 913854064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 211, 254, 313, 422, 508, 626, 635, 844, 1016, 1055, 1252, 1270, 1565, 1688, 2032, 2110, 2504, 2540, 3130, 3376, 4220, 5008, 5080, 6260, 8440, 10160, 12520, 16880, 25040, 26797, 39751, 53594, 66043, 79502, 107188, 132086, 133985, 159004, 198755, 214376, 264172, 267970, 318008, 330215, 397510, 428752, 528344, 535940, 636016, 660430, 795020, 1056688, 1071880, 1320860, 1590040, 2143760, 2641720, 3180080, 5283440, 8387461, 16774922, 33549844, 41937305, 67099688, 83874610, 134199376, 167749220, 335498440, 670996880]

約数ペア:

[(1, 670996880), (2, 335498440), (4, 167749220), (5, 134199376), (8, 83874610), (10, 67099688), (16, 41937305), (20, 33549844), (40, 16774922), (80, 8387461), (127, 5283440), (211, 3180080), (254, 2641720), (313, 2143760), (422, 1590040), (508, 1320860), (626, 1071880), (635, 1056688), (844, 795020), (1016, 660430), (1055, 636016), (1252, 535940), (1270, 528344), (1565, 428752), (1688, 397510), (2032, 330215), (2110, 318008), (2504, 267970), (2540, 264172), (3130, 214376), (3376, 198755), (4220, 159004), (5008, 133985), (5080, 132086), (6260, 107188), (8440, 79502), (10160, 66043), (12520, 53594), (16880, 39751), (25040, 26797)]