618365640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{739}}^1$

素因数の和:1139

約数の個数: 128

約数和(自身を含む): 1960704000

約数和(自身を除く): 1342338360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 367, 380, 456, 570, 734, 739, 760, 1101, 1140, 1468, 1478, 1835, 2202, 2217, 2280, 2936, 2956, 3670, 3695, 4404, 4434, 5505, 5912, 6973, 7340, 7390, 8808, 8868, 11010, 11085, 13946, 14041, 14680, 14780, 17736, 20919, 22020, 22170, 27892, 28082, 29560, 34865, 41838, 42123, 44040, 44340, 55784, 56164, 69730, 70205, 83676, 84246, 88680, 104595, 112328, 139460, 140410, 167352, 168492, 209190, 210615, 271213, 278920, 280820, 336984, 418380, 421230, 542426, 561640, 813639, 836760, 842460, 1084852, 1356065, 1627278, 1684920, 2169704, 2712130, 3254556, 4068195, 5153047, 5424260, 6509112, 8136390, 10306094, 10848520, 15459141, 16272780, 20612188, 25765235, 30918282, 32545560, 41224376, 51530470, 61836564, 77295705, 103060940, 123673128, 154591410, 206121880, 309182820, 618365640]

約数ペア:

[(1, 618365640), (2, 309182820), (3, 206121880), (4, 154591410), (5, 123673128), (6, 103060940), (8, 77295705), (10, 61836564), (12, 51530470), (15, 41224376), (19, 32545560), (20, 30918282), (24, 25765235), (30, 20612188), (38, 16272780), (40, 15459141), (57, 10848520), (60, 10306094), (76, 8136390), (95, 6509112), (114, 5424260), (120, 5153047), (152, 4068195), (190, 3254556), (228, 2712130), (285, 2169704), (367, 1684920), (380, 1627278), (456, 1356065), (570, 1084852), (734, 842460), (739, 836760), (760, 813639), (1101, 561640), (1140, 542426), (1468, 421230), (1478, 418380), (1835, 336984), (2202, 280820), (2217, 278920), (2280, 271213), (2936, 210615), (2956, 209190), (3670, 168492), (3695, 167352), (4404, 140410), (4434, 139460), (5505, 112328), (5912, 104595), (6973, 88680), (7340, 84246), (7390, 83676), (8808, 70205), (8868, 69730), (11010, 56164), (11085, 55784), (13946, 44340), (14041, 44040), (14680, 42123), (14780, 41838), (17736, 34865), (20919, 29560), (22020, 28082), (22170, 27892)]