31379160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 99532800

約数和(自身を除く): 68153640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 71, 87, 116, 120, 127, 142, 145, 174, 213, 232, 254, 284, 290, 348, 355, 381, 426, 435, 508, 568, 580, 635, 696, 710, 762, 852, 870, 1016, 1065, 1160, 1270, 1420, 1524, 1704, 1740, 1905, 2059, 2130, 2540, 2840, 3048, 3480, 3683, 3810, 4118, 4260, 5080, 6177, 7366, 7620, 8236, 8520, 9017, 10295, 11049, 12354, 14732, 15240, 16472, 18034, 18415, 20590, 22098, 24708, 27051, 29464, 30885, 36068, 36830, 41180, 44196, 45085, 49416, 54102, 55245, 61770, 72136, 73660, 82360, 88392, 90170, 108204, 110490, 123540, 135255, 147320, 180340, 216408, 220980, 247080, 261493, 270510, 360680, 441960, 522986, 541020, 784479, 1045972, 1082040, 1307465, 1568958, 2091944, 2614930, 3137916, 3922395, 5229860, 6275832, 7844790, 10459720, 15689580, 31379160]

約数ペア:

[(1, 31379160), (2, 15689580), (3, 10459720), (4, 7844790), (5, 6275832), (6, 5229860), (8, 3922395), (10, 3137916), (12, 2614930), (15, 2091944), (20, 1568958), (24, 1307465), (29, 1082040), (30, 1045972), (40, 784479), (58, 541020), (60, 522986), (71, 441960), (87, 360680), (116, 270510), (120, 261493), (127, 247080), (142, 220980), (145, 216408), (174, 180340), (213, 147320), (232, 135255), (254, 123540), (284, 110490), (290, 108204), (348, 90170), (355, 88392), (381, 82360), (426, 73660), (435, 72136), (508, 61770), (568, 55245), (580, 54102), (635, 49416), (696, 45085), (710, 44196), (762, 41180), (852, 36830), (870, 36068), (1016, 30885), (1065, 29464), (1160, 27051), (1270, 24708), (1420, 22098), (1524, 20590), (1704, 18415), (1740, 18034), (1905, 16472), (2059, 15240), (2130, 14732), (2540, 12354), (2840, 11049), (3048, 10295), (3480, 9017), (3683, 8520), (3810, 8236), (4118, 7620), (4260, 7366), (5080, 6177)]