1256710720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 168

約数和(自身を含む): 3233903616

約数和(自身を除く): 1977192896

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 107, 127, 136, 160, 170, 214, 254, 272, 289, 320, 340, 428, 508, 535, 544, 578, 635, 680, 856, 1016, 1070, 1088, 1156, 1270, 1360, 1445, 1712, 1819, 2032, 2140, 2159, 2312, 2540, 2720, 2890, 3424, 3638, 4064, 4280, 4318, 4624, 5080, 5440, 5780, 6848, 7276, 8128, 8560, 8636, 9095, 9248, 10160, 10795, 11560, 13589, 14552, 17120, 17272, 18190, 18496, 20320, 21590, 23120, 27178, 29104, 30923, 34240, 34544, 36380, 36703, 40640, 43180, 46240, 54356, 58208, 61846, 67945, 69088, 72760, 73406, 86360, 92480, 108712, 116416, 123692, 135890, 138176, 145520, 146812, 154615, 172720, 183515, 217424, 231013, 247384, 271780, 291040, 293624, 309230, 345440, 367030, 434848, 462026, 494768, 543560, 582080, 587248, 618460, 690880, 734060, 869696, 924052, 989536, 1087120, 1155065, 1174496, 1236920, 1468120, 1848104, 1979072, 2174240, 2310130, 2348992, 2473840, 2936240, 3696208, 3927221, 4348480, 4620260, 4947680, 5872480, 7392416, 7854442, 9240520, 9895360, 11744960, 14784832, 15708884, 18481040, 19636105, 31417768, 36962080, 39272210, 62835536, 73924160, 78544420, 125671072, 157088840, 251342144, 314177680, 628355360, 1256710720]

約数ペア:

[(1, 1256710720), (2, 628355360), (4, 314177680), (5, 251342144), (8, 157088840), (10, 125671072), (16, 78544420), (17, 73924160), (20, 62835536), (32, 39272210), (34, 36962080), (40, 31417768), (64, 19636105), (68, 18481040), (80, 15708884), (85, 14784832), (107, 11744960), (127, 9895360), (136, 9240520), (160, 7854442), (170, 7392416), (214, 5872480), (254, 4947680), (272, 4620260), (289, 4348480), (320, 3927221), (340, 3696208), (428, 2936240), (508, 2473840), (535, 2348992), (544, 2310130), (578, 2174240), (635, 1979072), (680, 1848104), (856, 1468120), (1016, 1236920), (1070, 1174496), (1088, 1155065), (1156, 1087120), (1270, 989536), (1360, 924052), (1445, 869696), (1712, 734060), (1819, 690880), (2032, 618460), (2140, 587248), (2159, 582080), (2312, 543560), (2540, 494768), (2720, 462026), (2890, 434848), (3424, 367030), (3638, 345440), (4064, 309230), (4280, 293624), (4318, 291040), (4624, 271780), (5080, 247384), (5440, 231013), (5780, 217424), (6848, 183515), (7276, 172720), (8128, 154615), (8560, 146812), (8636, 145520), (9095, 138176), (9248, 135890), (10160, 123692), (10795, 116416), (11560, 108712), (13589, 92480), (14552, 86360), (17120, 73406), (17272, 72760), (18190, 69088), (18496, 67945), (20320, 61846), (21590, 58208), (23120, 54356), (27178, 46240), (29104, 43180), (30923, 40640), (34240, 36703), (34544, 36380)]