315904640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 807105600

約数和(自身を除く): 491200960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 83, 95, 128, 152, 160, 166, 190, 304, 313, 320, 332, 380, 415, 608, 626, 640, 664, 760, 830, 1216, 1252, 1328, 1520, 1565, 1577, 1660, 2432, 2504, 2656, 3040, 3130, 3154, 3320, 5008, 5312, 5947, 6080, 6260, 6308, 6640, 7885, 10016, 10624, 11894, 12160, 12520, 12616, 13280, 15770, 20032, 23788, 25040, 25232, 25979, 26560, 29735, 31540, 40064, 47576, 50080, 50464, 51958, 53120, 59470, 63080, 95152, 100160, 100928, 103916, 118940, 126160, 129895, 190304, 200320, 201856, 207832, 237880, 252320, 259790, 380608, 415664, 475760, 493601, 504640, 519580, 761216, 831328, 951520, 987202, 1009280, 1039160, 1662656, 1903040, 1974404, 2078320, 2468005, 3325312, 3806080, 3948808, 4156640, 4936010, 7897616, 8313280, 9872020, 15795232, 16626560, 19744040, 31590464, 39488080, 63180928, 78976160, 157952320, 315904640]

約数ペア:

[(1, 315904640), (2, 157952320), (4, 78976160), (5, 63180928), (8, 39488080), (10, 31590464), (16, 19744040), (19, 16626560), (20, 15795232), (32, 9872020), (38, 8313280), (40, 7897616), (64, 4936010), (76, 4156640), (80, 3948808), (83, 3806080), (95, 3325312), (128, 2468005), (152, 2078320), (160, 1974404), (166, 1903040), (190, 1662656), (304, 1039160), (313, 1009280), (320, 987202), (332, 951520), (380, 831328), (415, 761216), (608, 519580), (626, 504640), (640, 493601), (664, 475760), (760, 415664), (830, 380608), (1216, 259790), (1252, 252320), (1328, 237880), (1520, 207832), (1565, 201856), (1577, 200320), (1660, 190304), (2432, 129895), (2504, 126160), (2656, 118940), (3040, 103916), (3130, 100928), (3154, 100160), (3320, 95152), (5008, 63080), (5312, 59470), (5947, 53120), (6080, 51958), (6260, 50464), (6308, 50080), (6640, 47576), (7885, 40064), (10016, 31540), (10624, 29735), (11894, 26560), (12160, 25979), (12520, 25232), (12616, 25040), (13280, 23788), (15770, 20032)]