728212920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 2236170240

約数和(自身を除く): 1507957320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 127, 142, 213, 254, 284, 355, 381, 426, 508, 568, 635, 673, 710, 762, 852, 1016, 1065, 1270, 1346, 1420, 1524, 1704, 1905, 2019, 2130, 2540, 2692, 2840, 3048, 3365, 3810, 4038, 4260, 5080, 5384, 6730, 7620, 8076, 8520, 9017, 10095, 13460, 15240, 16152, 18034, 20190, 26920, 27051, 36068, 40380, 45085, 47783, 54102, 72136, 80760, 85471, 90170, 95566, 108204, 135255, 143349, 170942, 180340, 191132, 216408, 238915, 256413, 270510, 286698, 341884, 360680, 382264, 427355, 477830, 512826, 541020, 573396, 683768, 716745, 854710, 955660, 1025652, 1082040, 1146792, 1282065, 1433490, 1709420, 1911320, 2051304, 2564130, 2866980, 3418840, 5128260, 5733960, 6068441, 10256520, 12136882, 18205323, 24273764, 30342205, 36410646, 48547528, 60684410, 72821292, 91026615, 121368820, 145642584, 182053230, 242737640, 364106460, 728212920]

約数ペア:

[(1, 728212920), (2, 364106460), (3, 242737640), (4, 182053230), (5, 145642584), (6, 121368820), (8, 91026615), (10, 72821292), (12, 60684410), (15, 48547528), (20, 36410646), (24, 30342205), (30, 24273764), (40, 18205323), (60, 12136882), (71, 10256520), (120, 6068441), (127, 5733960), (142, 5128260), (213, 3418840), (254, 2866980), (284, 2564130), (355, 2051304), (381, 1911320), (426, 1709420), (508, 1433490), (568, 1282065), (635, 1146792), (673, 1082040), (710, 1025652), (762, 955660), (852, 854710), (1016, 716745), (1065, 683768), (1270, 573396), (1346, 541020), (1420, 512826), (1524, 477830), (1704, 427355), (1905, 382264), (2019, 360680), (2130, 341884), (2540, 286698), (2692, 270510), (2840, 256413), (3048, 238915), (3365, 216408), (3810, 191132), (4038, 180340), (4260, 170942), (5080, 143349), (5384, 135255), (6730, 108204), (7620, 95566), (8076, 90170), (8520, 85471), (9017, 80760), (10095, 72136), (13460, 54102), (15240, 47783), (16152, 45085), (18034, 40380), (20190, 36068), (26920, 27051)]