78447900

素因数分解:

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

素因数の和:244

約数の個数: 144

約数和(自身を含む): 239984640

約数和(自身を除く): 161536740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 71, 75, 87, 100, 116, 127, 142, 145, 150, 174, 213, 254, 284, 290, 300, 348, 355, 381, 426, 435, 508, 580, 635, 710, 725, 762, 852, 870, 1065, 1270, 1420, 1450, 1524, 1740, 1775, 1905, 2059, 2130, 2175, 2540, 2900, 3175, 3550, 3683, 3810, 4118, 4260, 4350, 5325, 6177, 6350, 7100, 7366, 7620, 8236, 8700, 9017, 9525, 10295, 10650, 11049, 12354, 12700, 14732, 18034, 18415, 19050, 20590, 21300, 22098, 24708, 27051, 30885, 36068, 36830, 38100, 41180, 44196, 45085, 51475, 54102, 55245, 61770, 73660, 90170, 92075, 102950, 108204, 110490, 123540, 135255, 154425, 180340, 184150, 205900, 220980, 225425, 261493, 270510, 276225, 308850, 368300, 450850, 522986, 541020, 552450, 617700, 676275, 784479, 901700, 1045972, 1104900, 1307465, 1352550, 1568958, 2614930, 2705100, 3137916, 3922395, 5229860, 6537325, 7844790, 13074650, 15689580, 19611975, 26149300, 39223950, 78447900]

約数ペア:

[(1, 78447900), (2, 39223950), (3, 26149300), (4, 19611975), (5, 15689580), (6, 13074650), (10, 7844790), (12, 6537325), (15, 5229860), (20, 3922395), (25, 3137916), (29, 2705100), (30, 2614930), (50, 1568958), (58, 1352550), (60, 1307465), (71, 1104900), (75, 1045972), (87, 901700), (100, 784479), (116, 676275), (127, 617700), (142, 552450), (145, 541020), (150, 522986), (174, 450850), (213, 368300), (254, 308850), (284, 276225), (290, 270510), (300, 261493), (348, 225425), (355, 220980), (381, 205900), (426, 184150), (435, 180340), (508, 154425), (580, 135255), (635, 123540), (710, 110490), (725, 108204), (762, 102950), (852, 92075), (870, 90170), (1065, 73660), (1270, 61770), (1420, 55245), (1450, 54102), (1524, 51475), (1740, 45085), (1775, 44196), (1905, 41180), (2059, 38100), (2130, 36830), (2175, 36068), (2540, 30885), (2900, 27051), (3175, 24708), (3550, 22098), (3683, 21300), (3810, 20590), (4118, 19050), (4260, 18415), (4350, 18034), (5325, 14732), (6177, 12700), (6350, 12354), (7100, 11049), (7366, 10650), (7620, 10295), (8236, 9525), (8700, 9017)]