171631620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4519}}^1$

素因数の和:4745

約数の個数: 72

約数和(自身を含む): 523199040

約数和(自身を除く): 351567420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 4519, 6330, 7596, 9038, 9495, 12660, 13557, 18076, 18990, 22595, 27114, 37980, 40671, 45190, 54228, 67785, 81342, 90380, 135570, 162684, 203355, 271140, 406710, 813420, 953509, 1907018, 2860527, 3814036, 4767545, 5721054, 8581581, 9535090, 11442108, 14302635, 17163162, 19070180, 28605270, 34326324, 42907905, 57210540, 85815810, 171631620]

約数ペア:

[(1, 171631620), (2, 85815810), (3, 57210540), (4, 42907905), (5, 34326324), (6, 28605270), (9, 19070180), (10, 17163162), (12, 14302635), (15, 11442108), (18, 9535090), (20, 8581581), (30, 5721054), (36, 4767545), (45, 3814036), (60, 2860527), (90, 1907018), (180, 953509), (211, 813420), (422, 406710), (633, 271140), (844, 203355), (1055, 162684), (1266, 135570), (1899, 90380), (2110, 81342), (2532, 67785), (3165, 54228), (3798, 45190), (4220, 40671), (4519, 37980), (6330, 27114), (7596, 22595), (9038, 18990), (9495, 18076), (12660, 13557)]