128776428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 216

約数和(自身を含む): 397365696

約数和(自身を除く): 268589268

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 37, 44, 47, 51, 66, 68, 74, 94, 99, 102, 111, 121, 132, 141, 148, 153, 187, 188, 198, 204, 222, 242, 282, 306, 333, 363, 374, 396, 407, 423, 444, 484, 517, 561, 564, 612, 629, 666, 726, 748, 799, 814, 846, 1034, 1089, 1122, 1221, 1258, 1332, 1452, 1551, 1598, 1628, 1683, 1692, 1739, 1887, 2057, 2068, 2178, 2244, 2397, 2442, 2516, 3102, 3196, 3366, 3478, 3663, 3774, 4114, 4356, 4477, 4653, 4794, 4884, 5217, 5661, 5687, 6171, 6204, 6732, 6919, 6956, 7191, 7326, 7548, 8228, 8789, 8954, 9306, 9588, 10434, 11322, 11374, 12342, 13431, 13838, 14382, 14652, 15651, 17061, 17578, 17908, 18513, 18612, 19129, 20757, 20868, 22644, 22748, 24684, 26367, 26862, 27676, 28764, 29563, 31302, 34122, 35156, 37026, 38258, 40293, 41514, 51183, 52734, 53724, 57387, 59126, 62271, 62604, 68244, 74052, 76109, 76516, 79101, 80586, 83028, 88689, 96679, 102366, 105468, 114774, 118252, 124542, 152218, 158202, 161172, 172161, 177378, 193358, 204732, 210419, 228327, 229548, 249084, 266067, 290037, 304436, 316404, 325193, 344322, 354756, 386716, 420838, 456654, 532134, 580074, 631257, 650386, 684981, 688644, 841676, 870111, 913308, 975579, 1064268, 1160148, 1262514, 1300772, 1369962, 1740222, 1893771, 1951158, 2525028, 2739924, 2926737, 3480444, 3577123, 3787542, 3902316, 5853474, 7154246, 7575084, 10731369, 11706948, 14308492, 21462738, 32194107, 42925476, 64388214, 128776428]

約数ペア:

[(1, 128776428), (2, 64388214), (3, 42925476), (4, 32194107), (6, 21462738), (9, 14308492), (11, 11706948), (12, 10731369), (17, 7575084), (18, 7154246), (22, 5853474), (33, 3902316), (34, 3787542), (36, 3577123), (37, 3480444), (44, 2926737), (47, 2739924), (51, 2525028), (66, 1951158), (68, 1893771), (74, 1740222), (94, 1369962), (99, 1300772), (102, 1262514), (111, 1160148), (121, 1064268), (132, 975579), (141, 913308), (148, 870111), (153, 841676), (187, 688644), (188, 684981), (198, 650386), (204, 631257), (222, 580074), (242, 532134), (282, 456654), (306, 420838), (333, 386716), (363, 354756), (374, 344322), (396, 325193), (407, 316404), (423, 304436), (444, 290037), (484, 266067), (517, 249084), (561, 229548), (564, 228327), (612, 210419), (629, 204732), (666, 193358), (726, 177378), (748, 172161), (799, 161172), (814, 158202), (846, 152218), (1034, 124542), (1089, 118252), (1122, 114774), (1221, 105468), (1258, 102366), (1332, 96679), (1452, 88689), (1551, 83028), (1598, 80586), (1628, 79101), (1683, 76516), (1692, 76109), (1739, 74052), (1887, 68244), (2057, 62604), (2068, 62271), (2178, 59126), (2244, 57387), (2397, 53724), (2442, 52734), (2516, 51183), (3102, 41514), (3196, 40293), (3366, 38258), (3478, 37026), (3663, 35156), (3774, 34122), (4114, 31302), (4356, 29563), (4477, 28764), (4653, 27676), (4794, 26862), (4884, 26367), (5217, 24684), (5661, 22748), (5687, 22644), (6171, 20868), (6204, 20757), (6732, 19129), (6919, 18612), (6956, 18513), (7191, 17908), (7326, 17578), (7548, 17061), (8228, 15651), (8789, 14652), (8954, 14382), (9306, 13838), (9588, 13431), (10434, 12342), (11322, 11374)]