2142931860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{11941}}^1$

素因数の和:12953

約数の個数: 72

約数和(自身を含む): 6507291336

約数和(自身を除く): 4364359476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 997, 1994, 2991, 3988, 4985, 5982, 8973, 9970, 11941, 11964, 14955, 17946, 19940, 23882, 29910, 35823, 35892, 44865, 47764, 59705, 59820, 71646, 89730, 107469, 119410, 143292, 179115, 179460, 214938, 238820, 358230, 429876, 537345, 716460, 1074690, 2149380, 11905177, 23810354, 35715531, 47620708, 59525885, 71431062, 107146593, 119051770, 142862124, 178577655, 214293186, 238103540, 357155310, 428586372, 535732965, 714310620, 1071465930, 2142931860]

約数ペア:

[(1, 2142931860), (2, 1071465930), (3, 714310620), (4, 535732965), (5, 428586372), (6, 357155310), (9, 238103540), (10, 214293186), (12, 178577655), (15, 142862124), (18, 119051770), (20, 107146593), (30, 71431062), (36, 59525885), (45, 47620708), (60, 35715531), (90, 23810354), (180, 11905177), (997, 2149380), (1994, 1074690), (2991, 716460), (3988, 537345), (4985, 429876), (5982, 358230), (8973, 238820), (9970, 214938), (11941, 179460), (11964, 179115), (14955, 143292), (17946, 119410), (19940, 107469), (23882, 89730), (29910, 71646), (35823, 59820), (35892, 59705), (44865, 47764)]