77970780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6101}}^1$

素因数の和:6187

約数の個数: 72

約数和(自身を含む): 239881824

約数和(自身を除く): 161911044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6101, 6390, 12202, 12780, 18303, 24404, 30505, 36606, 54909, 61010, 73212, 91515, 109818, 122020, 183030, 219636, 274545, 366060, 433171, 549090, 866342, 1098180, 1299513, 1732684, 2165855, 2599026, 3898539, 4331710, 5198052, 6497565, 7797078, 8663420, 12995130, 15594156, 19492695, 25990260, 38985390, 77970780]

約数ペア:

[(1, 77970780), (2, 38985390), (3, 25990260), (4, 19492695), (5, 15594156), (6, 12995130), (9, 8663420), (10, 7797078), (12, 6497565), (15, 5198052), (18, 4331710), (20, 3898539), (30, 2599026), (36, 2165855), (45, 1732684), (60, 1299513), (71, 1098180), (90, 866342), (142, 549090), (180, 433171), (213, 366060), (284, 274545), (355, 219636), (426, 183030), (639, 122020), (710, 109818), (852, 91515), (1065, 73212), (1278, 61010), (1420, 54909), (2130, 36606), (2556, 30505), (3195, 24404), (4260, 18303), (6101, 12780), (6390, 12202)]