215937920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:896

約数の個数: 128

約数和(自身を含む): 579074400

約数和(自身を除く): 363136480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 110, 128, 148, 160, 176, 185, 220, 296, 320, 352, 370, 407, 440, 592, 640, 704, 740, 814, 829, 880, 1184, 1408, 1480, 1628, 1658, 1760, 2035, 2368, 2960, 3256, 3316, 3520, 4070, 4145, 4736, 5920, 6512, 6632, 7040, 8140, 8290, 9119, 11840, 13024, 13264, 16280, 16580, 18238, 23680, 26048, 26528, 30673, 32560, 33160, 36476, 45595, 52096, 53056, 61346, 65120, 66320, 72952, 91190, 106112, 122692, 130240, 132640, 145904, 153365, 182380, 245384, 260480, 265280, 291808, 306730, 337403, 364760, 490768, 530560, 583616, 613460, 674806, 729520, 981536, 1167232, 1226920, 1349612, 1459040, 1687015, 1963072, 2453840, 2699224, 2918080, 3374030, 3926144, 4907680, 5398448, 5836160, 6748060, 9815360, 10796896, 13496120, 19630720, 21593792, 26992240, 43187584, 53984480, 107968960, 215937920]

約数ペア:

[(1, 215937920), (2, 107968960), (4, 53984480), (5, 43187584), (8, 26992240), (10, 21593792), (11, 19630720), (16, 13496120), (20, 10796896), (22, 9815360), (32, 6748060), (37, 5836160), (40, 5398448), (44, 4907680), (55, 3926144), (64, 3374030), (74, 2918080), (80, 2699224), (88, 2453840), (110, 1963072), (128, 1687015), (148, 1459040), (160, 1349612), (176, 1226920), (185, 1167232), (220, 981536), (296, 729520), (320, 674806), (352, 613460), (370, 583616), (407, 530560), (440, 490768), (592, 364760), (640, 337403), (704, 306730), (740, 291808), (814, 265280), (829, 260480), (880, 245384), (1184, 182380), (1408, 153365), (1480, 145904), (1628, 132640), (1658, 130240), (1760, 122692), (2035, 106112), (2368, 91190), (2960, 72952), (3256, 66320), (3316, 65120), (3520, 61346), (4070, 53056), (4145, 52096), (4736, 45595), (5920, 36476), (6512, 33160), (6632, 32560), (7040, 30673), (8140, 26528), (8290, 26048), (9119, 23680), (11840, 18238), (13024, 16580), (13264, 16280)]