78988920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 245514240

約数和(自身を除く): 166525320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 73, 120, 127, 142, 146, 213, 219, 254, 284, 292, 355, 365, 381, 426, 438, 508, 568, 584, 635, 710, 730, 762, 852, 876, 1016, 1065, 1095, 1270, 1420, 1460, 1524, 1704, 1752, 1905, 2130, 2190, 2540, 2840, 2920, 3048, 3810, 4260, 4380, 5080, 5183, 7620, 8520, 8760, 9017, 9271, 10366, 15240, 15549, 18034, 18542, 20732, 25915, 27051, 27813, 31098, 36068, 37084, 41464, 45085, 46355, 51830, 54102, 55626, 62196, 72136, 74168, 77745, 90170, 92710, 103660, 108204, 111252, 124392, 135255, 139065, 155490, 180340, 185420, 207320, 216408, 222504, 270510, 278130, 310980, 360680, 370840, 541020, 556260, 621960, 658241, 1082040, 1112520, 1316482, 1974723, 2632964, 3291205, 3949446, 5265928, 6582410, 7898892, 9873615, 13164820, 15797784, 19747230, 26329640, 39494460, 78988920]

約数ペア:

[(1, 78988920), (2, 39494460), (3, 26329640), (4, 19747230), (5, 15797784), (6, 13164820), (8, 9873615), (10, 7898892), (12, 6582410), (15, 5265928), (20, 3949446), (24, 3291205), (30, 2632964), (40, 1974723), (60, 1316482), (71, 1112520), (73, 1082040), (120, 658241), (127, 621960), (142, 556260), (146, 541020), (213, 370840), (219, 360680), (254, 310980), (284, 278130), (292, 270510), (355, 222504), (365, 216408), (381, 207320), (426, 185420), (438, 180340), (508, 155490), (568, 139065), (584, 135255), (635, 124392), (710, 111252), (730, 108204), (762, 103660), (852, 92710), (876, 90170), (1016, 77745), (1065, 74168), (1095, 72136), (1270, 62196), (1420, 55626), (1460, 54102), (1524, 51830), (1704, 46355), (1752, 45085), (1905, 41464), (2130, 37084), (2190, 36068), (2540, 31098), (2840, 27813), (2920, 27051), (3048, 25915), (3810, 20732), (4260, 18542), (4380, 18034), (5080, 15549), (5183, 15240), (7620, 10366), (8520, 9271), (8760, 9017)]