131822820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{991}}^1$

素因数の和:1745

約数の個数: 72

約数和(自身を含む): 400807680

約数和(自身を除く): 268984860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 739, 991, 1478, 1982, 2217, 2956, 2973, 3695, 3964, 4434, 4955, 5946, 6651, 7390, 8868, 8919, 9910, 11085, 11892, 13302, 14780, 14865, 17838, 19820, 22170, 26604, 29730, 33255, 35676, 44340, 44595, 59460, 66510, 89190, 133020, 178380, 732349, 1464698, 2197047, 2929396, 3661745, 4394094, 6591141, 7323490, 8788188, 10985235, 13182282, 14646980, 21970470, 26364564, 32955705, 43940940, 65911410, 131822820]

約数ペア:

[(1, 131822820), (2, 65911410), (3, 43940940), (4, 32955705), (5, 26364564), (6, 21970470), (9, 14646980), (10, 13182282), (12, 10985235), (15, 8788188), (18, 7323490), (20, 6591141), (30, 4394094), (36, 3661745), (45, 2929396), (60, 2197047), (90, 1464698), (180, 732349), (739, 178380), (991, 133020), (1478, 89190), (1982, 66510), (2217, 59460), (2956, 44595), (2973, 44340), (3695, 35676), (3964, 33255), (4434, 29730), (4955, 26604), (5946, 22170), (6651, 19820), (7390, 17838), (8868, 14865), (8919, 14780), (9910, 13302), (11085, 11892)]