121990140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15761}}^1$

素因数の和:15819

約数の個数: 72

約数和(自身を含む): 378666288

約数和(自身を除く): 256676148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 15761, 31522, 47283, 63044, 78805, 94566, 141849, 157610, 189132, 236415, 283698, 315220, 472830, 567396, 677723, 709245, 945660, 1355446, 1418490, 2033169, 2710892, 2836980, 3388615, 4066338, 6099507, 6777230, 8132676, 10165845, 12199014, 13554460, 20331690, 24398028, 30497535, 40663380, 60995070, 121990140]

約数ペア:

[(1, 121990140), (2, 60995070), (3, 40663380), (4, 30497535), (5, 24398028), (6, 20331690), (9, 13554460), (10, 12199014), (12, 10165845), (15, 8132676), (18, 6777230), (20, 6099507), (30, 4066338), (36, 3388615), (43, 2836980), (45, 2710892), (60, 2033169), (86, 1418490), (90, 1355446), (129, 945660), (172, 709245), (180, 677723), (215, 567396), (258, 472830), (387, 315220), (430, 283698), (516, 236415), (645, 189132), (774, 157610), (860, 141849), (1290, 94566), (1548, 78805), (1935, 63044), (2580, 47283), (3870, 31522), (7740, 15761)]