1380521728

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 2818561536

約数和(自身を除く): 1438039808

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 151, 256, 284, 302, 503, 568, 604, 1006, 1136, 1208, 2012, 2272, 2416, 4024, 4544, 4832, 8048, 9088, 9664, 10721, 16096, 18176, 19328, 21442, 32192, 35713, 38656, 42884, 64384, 71426, 75953, 85768, 128768, 142852, 151906, 171536, 285704, 303812, 343072, 571408, 607624, 686144, 1142816, 1215248, 1372288, 2285632, 2430496, 2744576, 4571264, 4860992, 5392663, 9142528, 9721984, 10785326, 19443968, 21570652, 43141304, 86282608, 172565216, 345130432, 690260864, 1380521728]

約数ペア:

[(1, 1380521728), (2, 690260864), (4, 345130432), (8, 172565216), (16, 86282608), (32, 43141304), (64, 21570652), (71, 19443968), (128, 10785326), (142, 9721984), (151, 9142528), (256, 5392663), (284, 4860992), (302, 4571264), (503, 2744576), (568, 2430496), (604, 2285632), (1006, 1372288), (1136, 1215248), (1208, 1142816), (2012, 686144), (2272, 607624), (2416, 571408), (4024, 343072), (4544, 303812), (4832, 285704), (8048, 171536), (9088, 151906), (9664, 142852), (10721, 128768), (16096, 85768), (18176, 75953), (19328, 71426), (21442, 64384), (32192, 42884), (35713, 38656)]