245687680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:516

約数の個数: 128

約数和(自身を含む): 677263680

約数和(自身を除く): 431576000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 173, 224, 280, 317, 320, 346, 448, 560, 634, 640, 692, 865, 896, 1120, 1211, 1268, 1384, 1585, 1730, 2219, 2240, 2422, 2536, 2768, 3170, 3460, 4438, 4480, 4844, 5072, 5536, 6055, 6340, 6920, 8876, 9688, 10144, 11072, 11095, 12110, 12680, 13840, 17752, 19376, 20288, 22144, 22190, 24220, 25360, 27680, 35504, 38752, 40576, 44380, 48440, 50720, 54841, 55360, 71008, 77504, 88760, 96880, 101440, 109682, 110720, 142016, 155008, 177520, 193760, 202880, 219364, 274205, 284032, 355040, 383887, 387520, 438728, 548410, 710080, 767774, 775040, 877456, 1096820, 1420160, 1535548, 1754912, 1919435, 2193640, 3071096, 3509824, 3838870, 4387280, 6142192, 7019648, 7677740, 8774560, 12284384, 15355480, 17549120, 24568768, 30710960, 35098240, 49137536, 61421920, 122843840, 245687680]

約数ペア:

[(1, 245687680), (2, 122843840), (4, 61421920), (5, 49137536), (7, 35098240), (8, 30710960), (10, 24568768), (14, 17549120), (16, 15355480), (20, 12284384), (28, 8774560), (32, 7677740), (35, 7019648), (40, 6142192), (56, 4387280), (64, 3838870), (70, 3509824), (80, 3071096), (112, 2193640), (128, 1919435), (140, 1754912), (160, 1535548), (173, 1420160), (224, 1096820), (280, 877456), (317, 775040), (320, 767774), (346, 710080), (448, 548410), (560, 438728), (634, 387520), (640, 383887), (692, 355040), (865, 284032), (896, 274205), (1120, 219364), (1211, 202880), (1268, 193760), (1384, 177520), (1585, 155008), (1730, 142016), (2219, 110720), (2240, 109682), (2422, 101440), (2536, 96880), (2768, 88760), (3170, 77504), (3460, 71008), (4438, 55360), (4480, 54841), (4844, 50720), (5072, 48440), (5536, 44380), (6055, 40576), (6340, 38752), (6920, 35504), (8876, 27680), (9688, 25360), (10144, 24220), (11072, 22190), (11095, 22144), (12110, 20288), (12680, 19376), (13840, 17752)]