156880404

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 404520480

約数和(自身を除く): 247640076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 139, 214, 278, 293, 321, 417, 428, 556, 586, 642, 834, 879, 963, 1172, 1251, 1284, 1668, 1758, 1926, 2502, 2637, 3516, 3852, 5004, 5274, 10548, 14873, 29746, 31351, 40727, 44619, 59492, 62702, 81454, 89238, 94053, 122181, 125404, 133857, 162908, 178476, 188106, 244362, 267714, 282159, 366543, 376212, 488724, 535428, 564318, 733086, 1128636, 1466172, 4357789, 8715578, 13073367, 17431156, 26146734, 39220101, 52293468, 78440202, 156880404]

約数ペア:

[(1, 156880404), (2, 78440202), (3, 52293468), (4, 39220101), (6, 26146734), (9, 17431156), (12, 13073367), (18, 8715578), (36, 4357789), (107, 1466172), (139, 1128636), (214, 733086), (278, 564318), (293, 535428), (321, 488724), (417, 376212), (428, 366543), (556, 282159), (586, 267714), (642, 244362), (834, 188106), (879, 178476), (963, 162908), (1172, 133857), (1251, 125404), (1284, 122181), (1668, 94053), (1758, 89238), (1926, 81454), (2502, 62702), (2637, 59492), (3516, 44619), (3852, 40727), (5004, 31351), (5274, 29746), (10548, 14873)]