6485840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 16873920

約数和(自身を除く): 10388080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 251, 272, 304, 323, 340, 380, 502, 646, 680, 760, 1004, 1255, 1292, 1360, 1520, 1615, 2008, 2510, 2584, 3230, 4016, 4267, 4769, 5020, 5168, 6460, 8534, 9538, 10040, 12920, 17068, 19076, 20080, 21335, 23845, 25840, 34136, 38152, 42670, 47690, 68272, 76304, 81073, 85340, 95380, 162146, 170680, 190760, 324292, 341360, 381520, 405365, 648584, 810730, 1297168, 1621460, 3242920, 6485840]

約数ペア:

[(1, 6485840), (2, 3242920), (4, 1621460), (5, 1297168), (8, 810730), (10, 648584), (16, 405365), (17, 381520), (19, 341360), (20, 324292), (34, 190760), (38, 170680), (40, 162146), (68, 95380), (76, 85340), (80, 81073), (85, 76304), (95, 68272), (136, 47690), (152, 42670), (170, 38152), (190, 34136), (251, 25840), (272, 23845), (304, 21335), (323, 20080), (340, 19076), (380, 17068), (502, 12920), (646, 10040), (680, 9538), (760, 8534), (1004, 6460), (1255, 5168), (1292, 5020), (1360, 4769), (1520, 4267), (1615, 4016), (2008, 3230), (2510, 2584)]