31375960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 89994240

約数和(自身を除く): 58618280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 88, 110, 122, 140, 154, 167, 220, 244, 280, 305, 308, 334, 385, 427, 440, 488, 610, 616, 668, 671, 770, 835, 854, 1169, 1220, 1336, 1342, 1540, 1670, 1708, 1837, 2135, 2338, 2440, 2684, 3080, 3340, 3355, 3416, 3674, 4270, 4676, 4697, 5368, 5845, 6680, 6710, 7348, 8540, 9185, 9352, 9394, 10187, 11690, 12859, 13420, 14696, 17080, 18370, 18788, 20374, 23380, 23485, 25718, 26840, 36740, 37576, 40748, 46760, 46970, 50935, 51436, 64295, 71309, 73480, 81496, 93940, 101870, 102872, 112057, 128590, 142618, 187880, 203740, 224114, 257180, 285236, 356545, 407480, 448228, 514360, 560285, 570472, 713090, 784399, 896456, 1120570, 1426180, 1568798, 2241140, 2852360, 3137596, 3921995, 4482280, 6275192, 7843990, 15687980, 31375960]

約数ペア:

[(1, 31375960), (2, 15687980), (4, 7843990), (5, 6275192), (7, 4482280), (8, 3921995), (10, 3137596), (11, 2852360), (14, 2241140), (20, 1568798), (22, 1426180), (28, 1120570), (35, 896456), (40, 784399), (44, 713090), (55, 570472), (56, 560285), (61, 514360), (70, 448228), (77, 407480), (88, 356545), (110, 285236), (122, 257180), (140, 224114), (154, 203740), (167, 187880), (220, 142618), (244, 128590), (280, 112057), (305, 102872), (308, 101870), (334, 93940), (385, 81496), (427, 73480), (440, 71309), (488, 64295), (610, 51436), (616, 50935), (668, 46970), (671, 46760), (770, 40748), (835, 37576), (854, 36740), (1169, 26840), (1220, 25718), (1336, 23485), (1342, 23380), (1540, 20374), (1670, 18788), (1708, 18370), (1837, 17080), (2135, 14696), (2338, 13420), (2440, 12859), (2684, 11690), (3080, 10187), (3340, 9394), (3355, 9352), (3416, 9185), (3674, 8540), (4270, 7348), (4676, 6710), (4697, 6680), (5368, 5845)]