77208280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 179625600

約数和(自身を除く): 102417320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 212, 265, 316, 395, 424, 461, 530, 632, 790, 922, 1060, 1580, 1844, 2120, 2305, 3160, 3688, 4187, 4610, 8374, 9220, 16748, 18440, 20935, 24433, 33496, 36419, 41870, 48866, 72838, 83740, 97732, 122165, 145676, 167480, 182095, 195464, 244330, 291352, 364190, 488660, 728380, 977320, 1456760, 1930207, 3860414, 7720828, 9651035, 15441656, 19302070, 38604140, 77208280]

約数ペア:

[(1, 77208280), (2, 38604140), (4, 19302070), (5, 15441656), (8, 9651035), (10, 7720828), (20, 3860414), (40, 1930207), (53, 1456760), (79, 977320), (106, 728380), (158, 488660), (212, 364190), (265, 291352), (316, 244330), (395, 195464), (424, 182095), (461, 167480), (530, 145676), (632, 122165), (790, 97732), (922, 83740), (1060, 72838), (1580, 48866), (1844, 41870), (2120, 36419), (2305, 33496), (3160, 24433), (3688, 20935), (4187, 18440), (4610, 16748), (8374, 9220)]