259691880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{309157}}^1$

素因数の和:309178

約数の個数: 64

約数和(自身を含む): 890375040

約数和(自身を除く): 630683160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 309157, 618314, 927471, 1236628, 1545785, 1854942, 2164099, 2473256, 3091570, 3709884, 4328198, 4637355, 6183140, 6492297, 7419768, 8656396, 9274710, 10820495, 12366280, 12984594, 17312792, 18549420, 21640990, 25969188, 32461485, 37098840, 43281980, 51938376, 64922970, 86563960, 129845940, 259691880]

約数ペア:

[(1, 259691880), (2, 129845940), (3, 86563960), (4, 64922970), (5, 51938376), (6, 43281980), (7, 37098840), (8, 32461485), (10, 25969188), (12, 21640990), (14, 18549420), (15, 17312792), (20, 12984594), (21, 12366280), (24, 10820495), (28, 9274710), (30, 8656396), (35, 7419768), (40, 6492297), (42, 6183140), (56, 4637355), (60, 4328198), (70, 3709884), (84, 3091570), (105, 2473256), (120, 2164099), (140, 1854942), (168, 1545785), (210, 1236628), (280, 927471), (420, 618314), (840, 309157)]