644763840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{95947}}^1$

素因数の和:95974

約数の個数: 112

約数和(自身を含む): 2339596032

約数和(自身を除く): 1694832192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 95947, 191894, 287841, 383788, 479735, 575682, 671629, 767576, 959470, 1151364, 1343258, 1439205, 1535152, 1918940, 2014887, 2302728, 2686516, 2878410, 3070304, 3358145, 3837880, 4029774, 4605456, 5373032, 5756820, 6140608, 6716290, 7675760, 8059548, 9210912, 10074435, 10746064, 11513640, 13432580, 15351520, 16119096, 18421824, 20148870, 21492128, 23027280, 26865160, 30703040, 32238192, 40297740, 42984256, 46054560, 53730320, 64476384, 80595480, 92109120, 107460640, 128952768, 161190960, 214921280, 322381920, 644763840]

約数ペア:

[(1, 644763840), (2, 322381920), (3, 214921280), (4, 161190960), (5, 128952768), (6, 107460640), (7, 92109120), (8, 80595480), (10, 64476384), (12, 53730320), (14, 46054560), (15, 42984256), (16, 40297740), (20, 32238192), (21, 30703040), (24, 26865160), (28, 23027280), (30, 21492128), (32, 20148870), (35, 18421824), (40, 16119096), (42, 15351520), (48, 13432580), (56, 11513640), (60, 10746064), (64, 10074435), (70, 9210912), (80, 8059548), (84, 7675760), (96, 6716290), (105, 6140608), (112, 5756820), (120, 5373032), (140, 4605456), (160, 4029774), (168, 3837880), (192, 3358145), (210, 3070304), (224, 2878410), (240, 2686516), (280, 2302728), (320, 2014887), (336, 1918940), (420, 1535152), (448, 1439205), (480, 1343258), (560, 1151364), (672, 959470), (840, 767576), (960, 671629), (1120, 575682), (1344, 479735), (1680, 383788), (2240, 287841), (3360, 191894), (6720, 95947)]