245860020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{195127}}^1$

素因数の和:195149

約数の個数: 72

約数和(自身を含む): 852319104

約数和(自身を除く): 606459084

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, 195127, 390254, 585381, 780508, 975635, 1170762, 1365889, 1756143, 1951270, 2341524, 2731778, 2926905, 3512286, 3902540, 4097667, 5463556, 5853810, 6829445, 7024572, 8195334, 8780715, 11707620, 12293001, 13658890, 16390668, 17561430, 20488335, 24586002, 27317780, 35122860, 40976670, 49172004, 61465005, 81953340, 122930010, 245860020]

約数ペア:

[(1, 245860020), (2, 122930010), (3, 81953340), (4, 61465005), (5, 49172004), (6, 40976670), (7, 35122860), (9, 27317780), (10, 24586002), (12, 20488335), (14, 17561430), (15, 16390668), (18, 13658890), (20, 12293001), (21, 11707620), (28, 8780715), (30, 8195334), (35, 7024572), (36, 6829445), (42, 5853810), (45, 5463556), (60, 4097667), (63, 3902540), (70, 3512286), (84, 2926905), (90, 2731778), (105, 2341524), (126, 1951270), (140, 1756143), (180, 1365889), (210, 1170762), (252, 975635), (315, 780508), (420, 585381), (630, 390254), (1260, 195127)]