255321960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49481}}^1$

素因数の和:49538

約数の個数: 64

約数和(自身を含む): 783794880

約数和(自身を除く): 528472920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 49481, 98962, 148443, 197924, 247405, 296886, 395848, 494810, 593772, 742215, 989620, 1187544, 1484430, 1979240, 2127683, 2968860, 4255366, 5937720, 6383049, 8510732, 10638415, 12766098, 17021464, 21276830, 25532196, 31915245, 42553660, 51064392, 63830490, 85107320, 127660980, 255321960]

約数ペア:

[(1, 255321960), (2, 127660980), (3, 85107320), (4, 63830490), (5, 51064392), (6, 42553660), (8, 31915245), (10, 25532196), (12, 21276830), (15, 17021464), (20, 12766098), (24, 10638415), (30, 8510732), (40, 6383049), (43, 5937720), (60, 4255366), (86, 2968860), (120, 2127683), (129, 1979240), (172, 1484430), (215, 1187544), (258, 989620), (344, 742215), (430, 593772), (516, 494810), (645, 395848), (860, 296886), (1032, 247405), (1290, 197924), (1720, 148443), (2580, 98962), (5160, 49481)]