28213680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10687}}^1$

素因数の和:10714

約数の個数: 80

約数和(自身を含む): 95422464

約数和(自身を除く): 67208784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 10687, 21374, 32061, 42748, 53435, 64122, 85496, 106870, 117557, 128244, 160305, 170992, 213740, 235114, 256488, 320610, 352671, 427480, 470228, 512976, 587785, 641220, 705342, 854960, 940456, 1175570, 1282440, 1410684, 1763355, 1880912, 2351140, 2564880, 2821368, 3526710, 4702280, 5642736, 7053420, 9404560, 14106840, 28213680]

約数ペア:

[(1, 28213680), (2, 14106840), (3, 9404560), (4, 7053420), (5, 5642736), (6, 4702280), (8, 3526710), (10, 2821368), (11, 2564880), (12, 2351140), (15, 1880912), (16, 1763355), (20, 1410684), (22, 1282440), (24, 1175570), (30, 940456), (33, 854960), (40, 705342), (44, 641220), (48, 587785), (55, 512976), (60, 470228), (66, 427480), (80, 352671), (88, 320610), (110, 256488), (120, 235114), (132, 213740), (165, 170992), (176, 160305), (220, 128244), (240, 117557), (264, 106870), (330, 85496), (440, 64122), (528, 53435), (660, 42748), (880, 32061), (1320, 21374), (2640, 10687)]