157064440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 400075200

約数和(自身を除く): 243010760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 53, 65, 82, 104, 106, 130, 139, 164, 205, 212, 260, 265, 278, 328, 410, 424, 520, 530, 533, 556, 689, 695, 820, 1060, 1066, 1112, 1378, 1390, 1640, 1807, 2120, 2132, 2173, 2665, 2756, 2780, 3445, 3614, 4264, 4346, 5330, 5512, 5560, 5699, 6890, 7228, 7367, 8692, 9035, 10660, 10865, 11398, 13780, 14456, 14734, 17384, 18070, 21320, 21730, 22796, 27560, 28249, 28495, 29468, 36140, 36835, 43460, 45592, 56498, 56990, 58936, 72280, 73670, 74087, 86920, 95771, 112996, 113980, 141245, 147340, 148174, 191542, 225992, 227960, 282490, 294680, 296348, 302047, 370435, 383084, 478855, 564980, 592696, 604094, 740870, 766168, 957710, 1129960, 1208188, 1481740, 1510235, 1915420, 2416376, 2963480, 3020470, 3830840, 3926611, 6040940, 7853222, 12081880, 15706444, 19633055, 31412888, 39266110, 78532220, 157064440]

約数ペア:

[(1, 157064440), (2, 78532220), (4, 39266110), (5, 31412888), (8, 19633055), (10, 15706444), (13, 12081880), (20, 7853222), (26, 6040940), (40, 3926611), (41, 3830840), (52, 3020470), (53, 2963480), (65, 2416376), (82, 1915420), (104, 1510235), (106, 1481740), (130, 1208188), (139, 1129960), (164, 957710), (205, 766168), (212, 740870), (260, 604094), (265, 592696), (278, 564980), (328, 478855), (410, 383084), (424, 370435), (520, 302047), (530, 296348), (533, 294680), (556, 282490), (689, 227960), (695, 225992), (820, 191542), (1060, 148174), (1066, 147340), (1112, 141245), (1378, 113980), (1390, 112996), (1640, 95771), (1807, 86920), (2120, 74087), (2132, 73670), (2173, 72280), (2665, 58936), (2756, 56990), (2780, 56498), (3445, 45592), (3614, 43460), (4264, 36835), (4346, 36140), (5330, 29468), (5512, 28495), (5560, 28249), (5699, 27560), (6890, 22796), (7228, 21730), (7367, 21320), (8692, 18070), (9035, 17384), (10660, 14734), (10865, 14456), (11398, 13780)]