1917847680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{142697}}^1$

素因数の和:142726

約数の個数: 128

約数和(自身を含む): 6986494080

約数和(自身を除く): 5068646400

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, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 142697, 285394, 428091, 570788, 713485, 856182, 998879, 1141576, 1426970, 1712364, 1997758, 2140455, 2283152, 2853940, 2996637, 3424728, 3995516, 4280910, 4566304, 4994395, 5707880, 5993274, 6849456, 7991032, 8561820, 9132608, 9988790, 11415760, 11986548, 13698912, 14983185, 15982064, 17123640, 18265216, 19977580, 22831520, 23973096, 27397824, 29966370, 31964128, 34247280, 39955160, 45663040, 47946192, 54795648, 59932740, 63928256, 68494560, 79910320, 91326080, 95892384, 119865480, 127856512, 136989120, 159820640, 191784768, 239730960, 273978240, 319641280, 383569536, 479461920, 639282560, 958923840, 1917847680]

約数ペア:

[(1, 1917847680), (2, 958923840), (3, 639282560), (4, 479461920), (5, 383569536), (6, 319641280), (7, 273978240), (8, 239730960), (10, 191784768), (12, 159820640), (14, 136989120), (15, 127856512), (16, 119865480), (20, 95892384), (21, 91326080), (24, 79910320), (28, 68494560), (30, 63928256), (32, 59932740), (35, 54795648), (40, 47946192), (42, 45663040), (48, 39955160), (56, 34247280), (60, 31964128), (64, 29966370), (70, 27397824), (80, 23973096), (84, 22831520), (96, 19977580), (105, 18265216), (112, 17123640), (120, 15982064), (128, 14983185), (140, 13698912), (160, 11986548), (168, 11415760), (192, 9988790), (210, 9132608), (224, 8561820), (240, 7991032), (280, 6849456), (320, 5993274), (336, 5707880), (384, 4994395), (420, 4566304), (448, 4280910), (480, 3995516), (560, 3424728), (640, 2996637), (672, 2853940), (840, 2283152), (896, 2140455), (960, 1997758), (1120, 1712364), (1344, 1426970), (1680, 1141576), (1920, 998879), (2240, 856182), (2688, 713485), (3360, 570788), (4480, 428091), (6720, 285394), (13440, 142697)]