245902860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{195161}}^1$

素因数の和:195183

約数の個数: 72

約数和(自身を含む): 852467616

約数和(自身を除く): 606564756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 195161, 390322, 585483, 780644, 975805, 1170966, 1366127, 1756449, 1951610, 2341932, 2732254, 2927415, 3512898, 3903220, 4098381, 5464508, 5854830, 6830635, 7025796, 8196762, 8782245, 11709660, 12295143, 13661270, 16393524, 17564490, 20491905, 24590286, 27322540, 35128980, 40983810, 49180572, 61475715, 81967620, 122951430, 245902860]

約数ペア:

[(1, 245902860), (2, 122951430), (3, 81967620), (4, 61475715), (5, 49180572), (6, 40983810), (7, 35128980), (9, 27322540), (10, 24590286), (12, 20491905), (14, 17564490), (15, 16393524), (18, 13661270), (20, 12295143), (21, 11709660), (28, 8782245), (30, 8196762), (35, 7025796), (36, 6830635), (42, 5854830), (45, 5464508), (60, 4098381), (63, 3903220), (70, 3512898), (84, 2927415), (90, 2732254), (105, 2341932), (126, 1951610), (140, 1756449), (180, 1366127), (210, 1170966), (252, 975805), (315, 780644), (420, 585483), (630, 390322), (1260, 195161)]