31503520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 80498880

約数和(自身を除く): 48995360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 152, 160, 172, 190, 215, 241, 304, 344, 380, 430, 482, 608, 688, 760, 817, 860, 964, 1205, 1376, 1520, 1634, 1720, 1928, 2410, 3040, 3268, 3440, 3856, 4085, 4579, 4820, 6536, 6880, 7712, 8170, 9158, 9640, 10363, 13072, 16340, 18316, 19280, 20726, 22895, 26144, 32680, 36632, 38560, 41452, 45790, 51815, 65360, 73264, 82904, 91580, 103630, 130720, 146528, 165808, 183160, 196897, 207260, 331616, 366320, 393794, 414520, 732640, 787588, 829040, 984485, 1575176, 1658080, 1968970, 3150352, 3937940, 6300704, 7875880, 15751760, 31503520]

約数ペア:

[(1, 31503520), (2, 15751760), (4, 7875880), (5, 6300704), (8, 3937940), (10, 3150352), (16, 1968970), (19, 1658080), (20, 1575176), (32, 984485), (38, 829040), (40, 787588), (43, 732640), (76, 414520), (80, 393794), (86, 366320), (95, 331616), (152, 207260), (160, 196897), (172, 183160), (190, 165808), (215, 146528), (241, 130720), (304, 103630), (344, 91580), (380, 82904), (430, 73264), (482, 65360), (608, 51815), (688, 45790), (760, 41452), (817, 38560), (860, 36632), (964, 32680), (1205, 26144), (1376, 22895), (1520, 20726), (1634, 19280), (1720, 18316), (1928, 16340), (2410, 13072), (3040, 10363), (3268, 9640), (3440, 9158), (3856, 8170), (4085, 7712), (4579, 6880), (4820, 6536)]