311920140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23957}}^1$

素因数の和:24007

約数の個数: 96

約数和(自身を含む): 1030385664

約数和(自身を除く): 718465524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 23957, 47914, 71871, 95828, 119785, 143742, 167699, 239570, 287484, 335398, 359355, 479140, 503097, 670796, 718710, 742667, 838495, 1006194, 1437420, 1485334, 1676990, 2012388, 2228001, 2515485, 2970668, 3353980, 3713335, 4456002, 5030970, 5198669, 7426670, 8912004, 10061940, 10397338, 11140005, 14853340, 15596007, 20794676, 22280010, 25993345, 31192014, 44560020, 51986690, 62384028, 77980035, 103973380, 155960070, 311920140]

約数ペア:

[(1, 311920140), (2, 155960070), (3, 103973380), (4, 77980035), (5, 62384028), (6, 51986690), (7, 44560020), (10, 31192014), (12, 25993345), (14, 22280010), (15, 20794676), (20, 15596007), (21, 14853340), (28, 11140005), (30, 10397338), (31, 10061940), (35, 8912004), (42, 7426670), (60, 5198669), (62, 5030970), (70, 4456002), (84, 3713335), (93, 3353980), (105, 2970668), (124, 2515485), (140, 2228001), (155, 2012388), (186, 1676990), (210, 1485334), (217, 1437420), (310, 1006194), (372, 838495), (420, 742667), (434, 718710), (465, 670796), (620, 503097), (651, 479140), (868, 359355), (930, 335398), (1085, 287484), (1302, 239570), (1860, 167699), (2170, 143742), (2604, 119785), (3255, 95828), (4340, 71871), (6510, 47914), (13020, 23957)]