687500320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{863}}^1$

素因数の和:1274

約数の個数: 96

約数和(自身を含む): 1755758592

約数和(自身を除く): 1068258272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 383, 416, 520, 766, 863, 1040, 1532, 1726, 1915, 2080, 3064, 3452, 3830, 4315, 4979, 6128, 6904, 7660, 8630, 9958, 11219, 12256, 13808, 15320, 17260, 19916, 22438, 24895, 27616, 30640, 34520, 39832, 44876, 49790, 56095, 61280, 69040, 79664, 89752, 99580, 112190, 138080, 159328, 179504, 199160, 224380, 330529, 359008, 398320, 448760, 661058, 796640, 897520, 1322116, 1652645, 1795040, 2644232, 3305290, 4296877, 5288464, 6610580, 8593754, 10576928, 13221160, 17187508, 21484385, 26442320, 34375016, 42968770, 52884640, 68750032, 85937540, 137500064, 171875080, 343750160, 687500320]

約数ペア:

[(1, 687500320), (2, 343750160), (4, 171875080), (5, 137500064), (8, 85937540), (10, 68750032), (13, 52884640), (16, 42968770), (20, 34375016), (26, 26442320), (32, 21484385), (40, 17187508), (52, 13221160), (65, 10576928), (80, 8593754), (104, 6610580), (130, 5288464), (160, 4296877), (208, 3305290), (260, 2644232), (383, 1795040), (416, 1652645), (520, 1322116), (766, 897520), (863, 796640), (1040, 661058), (1532, 448760), (1726, 398320), (1915, 359008), (2080, 330529), (3064, 224380), (3452, 199160), (3830, 179504), (4315, 159328), (4979, 138080), (6128, 112190), (6904, 99580), (7660, 89752), (8630, 79664), (9958, 69040), (11219, 61280), (12256, 56095), (13808, 49790), (15320, 44876), (17260, 39832), (19916, 34520), (22438, 30640), (24895, 27616)]