251312280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7963}}^1$

素因数の和:8240

約数の個数: 64

約数和(自身を含む): 756898560

約数和(自身を除く): 505586280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 1052, 1315, 1578, 2104, 2630, 3156, 3945, 5260, 6312, 7890, 7963, 10520, 15780, 15926, 23889, 31560, 31852, 39815, 47778, 63704, 79630, 95556, 119445, 159260, 191112, 238890, 318520, 477780, 955560, 2094269, 4188538, 6282807, 8377076, 10471345, 12565614, 16754152, 20942690, 25131228, 31414035, 41885380, 50262456, 62828070, 83770760, 125656140, 251312280]

約数ペア:

[(1, 251312280), (2, 125656140), (3, 83770760), (4, 62828070), (5, 50262456), (6, 41885380), (8, 31414035), (10, 25131228), (12, 20942690), (15, 16754152), (20, 12565614), (24, 10471345), (30, 8377076), (40, 6282807), (60, 4188538), (120, 2094269), (263, 955560), (526, 477780), (789, 318520), (1052, 238890), (1315, 191112), (1578, 159260), (2104, 119445), (2630, 95556), (3156, 79630), (3945, 63704), (5260, 47778), (6312, 39815), (7890, 31852), (7963, 31560), (10520, 23889), (15780, 15926)]