123581024

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 311931648

約数和(自身を除く): 188350624

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 56, 68, 83, 92, 112, 119, 136, 161, 166, 184, 224, 238, 272, 289, 322, 332, 368, 391, 476, 544, 578, 581, 644, 664, 736, 782, 952, 1156, 1162, 1288, 1328, 1411, 1564, 1904, 1909, 2023, 2312, 2324, 2576, 2656, 2737, 2822, 3128, 3808, 3818, 4046, 4624, 4648, 5152, 5474, 5644, 6256, 6647, 7636, 8092, 9248, 9296, 9877, 10948, 11288, 12512, 13294, 13363, 15272, 16184, 18592, 19754, 21896, 22576, 23987, 26588, 26726, 30544, 32368, 32453, 39508, 43792, 45152, 46529, 47974, 53176, 53452, 61088, 64736, 64906, 79016, 87584, 93058, 95948, 106352, 106904, 129812, 158032, 167909, 186116, 191896, 212704, 213808, 227171, 259624, 316064, 335818, 372232, 383792, 427616, 454342, 519248, 551701, 671636, 744464, 767584, 908684, 1038496, 1103402, 1343272, 1488928, 1817368, 2206804, 2686544, 3634736, 3861907, 4413608, 5373088, 7269472, 7723814, 8827216, 15447628, 17654432, 30895256, 61790512, 123581024]

約数ペア:

[(1, 123581024), (2, 61790512), (4, 30895256), (7, 17654432), (8, 15447628), (14, 8827216), (16, 7723814), (17, 7269472), (23, 5373088), (28, 4413608), (32, 3861907), (34, 3634736), (46, 2686544), (56, 2206804), (68, 1817368), (83, 1488928), (92, 1343272), (112, 1103402), (119, 1038496), (136, 908684), (161, 767584), (166, 744464), (184, 671636), (224, 551701), (238, 519248), (272, 454342), (289, 427616), (322, 383792), (332, 372232), (368, 335818), (391, 316064), (476, 259624), (544, 227171), (578, 213808), (581, 212704), (644, 191896), (664, 186116), (736, 167909), (782, 158032), (952, 129812), (1156, 106904), (1162, 106352), (1288, 95948), (1328, 93058), (1411, 87584), (1564, 79016), (1904, 64906), (1909, 64736), (2023, 61088), (2312, 53452), (2324, 53176), (2576, 47974), (2656, 46529), (2737, 45152), (2822, 43792), (3128, 39508), (3808, 32453), (3818, 32368), (4046, 30544), (4624, 26726), (4648, 26588), (5152, 23987), (5474, 22576), (5644, 21896), (6256, 19754), (6647, 18592), (7636, 16184), (8092, 15272), (9248, 13363), (9296, 13294), (9877, 12512), (10948, 11288)]