50979420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3989}}^1$

素因数の和:4075

約数の個数: 72

約数和(自身を含む): 156854880

約数和(自身を除く): 105875460

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, 3989, 4260, 6390, 7978, 11967, 12780, 15956, 19945, 23934, 35901, 39890, 47868, 59835, 71802, 79780, 119670, 143604, 179505, 239340, 283219, 359010, 566438, 718020, 849657, 1132876, 1416095, 1699314, 2548971, 2832190, 3398628, 4248285, 5097942, 5664380, 8496570, 10195884, 12744855, 16993140, 25489710, 50979420]

約数ペア:

[(1, 50979420), (2, 25489710), (3, 16993140), (4, 12744855), (5, 10195884), (6, 8496570), (9, 5664380), (10, 5097942), (12, 4248285), (15, 3398628), (18, 2832190), (20, 2548971), (30, 1699314), (36, 1416095), (45, 1132876), (60, 849657), (71, 718020), (90, 566438), (142, 359010), (180, 283219), (213, 239340), (284, 179505), (355, 143604), (426, 119670), (639, 79780), (710, 71802), (852, 59835), (1065, 47868), (1278, 39890), (1420, 35901), (2130, 23934), (2556, 19945), (3195, 15956), (3989, 12780), (4260, 11967), (6390, 7978)]