28912620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:711

約数の個数: 96

約数和(自身を含む): 89703936

約数和(自身を除く): 60791316

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 71, 110, 132, 142, 165, 213, 220, 284, 330, 355, 426, 617, 660, 710, 781, 852, 1065, 1234, 1420, 1562, 1851, 2130, 2343, 2468, 3085, 3124, 3702, 3905, 4260, 4686, 6170, 6787, 7404, 7810, 9255, 9372, 11715, 12340, 13574, 15620, 18510, 20361, 23430, 27148, 33935, 37020, 40722, 43807, 46860, 67870, 81444, 87614, 101805, 131421, 135740, 175228, 203610, 219035, 262842, 407220, 438070, 481877, 525684, 657105, 876140, 963754, 1314210, 1445631, 1927508, 2409385, 2628420, 2891262, 4818770, 5782524, 7228155, 9637540, 14456310, 28912620]

約数ペア:

[(1, 28912620), (2, 14456310), (3, 9637540), (4, 7228155), (5, 5782524), (6, 4818770), (10, 2891262), (11, 2628420), (12, 2409385), (15, 1927508), (20, 1445631), (22, 1314210), (30, 963754), (33, 876140), (44, 657105), (55, 525684), (60, 481877), (66, 438070), (71, 407220), (110, 262842), (132, 219035), (142, 203610), (165, 175228), (213, 135740), (220, 131421), (284, 101805), (330, 87614), (355, 81444), (426, 67870), (617, 46860), (660, 43807), (710, 40722), (781, 37020), (852, 33935), (1065, 27148), (1234, 23430), (1420, 20361), (1562, 18510), (1851, 15620), (2130, 13574), (2343, 12340), (2468, 11715), (3085, 9372), (3124, 9255), (3702, 7810), (3905, 7404), (4260, 6787), (4686, 6170)]