160931680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1621

約数の個数: 144

約数和(自身を含む): 476597520

約数和(自身を除く): 315665840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1579, 1820, 1960, 2080, 2548, 2912, 3158, 3185, 3640, 3920, 5096, 6316, 6370, 7280, 7840, 7895, 10192, 11053, 12632, 12740, 14560, 15790, 20384, 20527, 22106, 25264, 25480, 31580, 41054, 44212, 50528, 50960, 55265, 63160, 77371, 82108, 88424, 101920, 102635, 110530, 126320, 143689, 154742, 164216, 176848, 205270, 221060, 252640, 287378, 309484, 328432, 353696, 386855, 410540, 442120, 574756, 618968, 656864, 718445, 773710, 821080, 884240, 1005823, 1149512, 1237936, 1436890, 1547420, 1642160, 1768480, 2011646, 2299024, 2475872, 2873780, 3094840, 3284320, 4023292, 4598048, 5029115, 5747560, 6189680, 8046584, 10058230, 11495120, 12379360, 16093168, 20116460, 22990240, 32186336, 40232920, 80465840, 160931680]

約数ペア:

[(1, 160931680), (2, 80465840), (4, 40232920), (5, 32186336), (7, 22990240), (8, 20116460), (10, 16093168), (13, 12379360), (14, 11495120), (16, 10058230), (20, 8046584), (26, 6189680), (28, 5747560), (32, 5029115), (35, 4598048), (40, 4023292), (49, 3284320), (52, 3094840), (56, 2873780), (65, 2475872), (70, 2299024), (80, 2011646), (91, 1768480), (98, 1642160), (104, 1547420), (112, 1436890), (130, 1237936), (140, 1149512), (160, 1005823), (182, 884240), (196, 821080), (208, 773710), (224, 718445), (245, 656864), (260, 618968), (280, 574756), (364, 442120), (392, 410540), (416, 386855), (455, 353696), (490, 328432), (520, 309484), (560, 287378), (637, 252640), (728, 221060), (784, 205270), (910, 176848), (980, 164216), (1040, 154742), (1120, 143689), (1274, 126320), (1456, 110530), (1568, 102635), (1579, 101920), (1820, 88424), (1960, 82108), (2080, 77371), (2548, 63160), (2912, 55265), (3158, 50960), (3185, 50528), (3640, 44212), (3920, 41054), (5096, 31580), (6316, 25480), (6370, 25264), (7280, 22106), (7840, 20527), (7895, 20384), (10192, 15790), (11053, 14560), (12632, 12740)]