900928640

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:374

約数の個数: 128

約数和(自身を含む): 2214950400

約数和(自身を除く): 1314021760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 103, 128, 158, 160, 173, 206, 316, 320, 346, 395, 412, 515, 632, 640, 692, 790, 824, 865, 1030, 1264, 1384, 1580, 1648, 1730, 2060, 2528, 2768, 3160, 3296, 3460, 4120, 5056, 5536, 6320, 6592, 6920, 8137, 8240, 10112, 11072, 12640, 13184, 13667, 13840, 16274, 16480, 17819, 22144, 25280, 27334, 27680, 32548, 32960, 35638, 40685, 50560, 54668, 55360, 65096, 65920, 68335, 71276, 81370, 89095, 109336, 110720, 130192, 136670, 142552, 162740, 178190, 218672, 260384, 273340, 285104, 325480, 356380, 437344, 520768, 546680, 570208, 650960, 712760, 874688, 1041536, 1093360, 1140416, 1301920, 1407701, 1425520, 1749376, 2186720, 2280832, 2603840, 2815402, 2851040, 4373440, 5207680, 5630804, 5702080, 7038505, 8746880, 11261608, 11404160, 14077010, 22523216, 28154020, 45046432, 56308040, 90092864, 112616080, 180185728, 225232160, 450464320, 900928640]

約数ペア:

[(1, 900928640), (2, 450464320), (4, 225232160), (5, 180185728), (8, 112616080), (10, 90092864), (16, 56308040), (20, 45046432), (32, 28154020), (40, 22523216), (64, 14077010), (79, 11404160), (80, 11261608), (103, 8746880), (128, 7038505), (158, 5702080), (160, 5630804), (173, 5207680), (206, 4373440), (316, 2851040), (320, 2815402), (346, 2603840), (395, 2280832), (412, 2186720), (515, 1749376), (632, 1425520), (640, 1407701), (692, 1301920), (790, 1140416), (824, 1093360), (865, 1041536), (1030, 874688), (1264, 712760), (1384, 650960), (1580, 570208), (1648, 546680), (1730, 520768), (2060, 437344), (2528, 356380), (2768, 325480), (3160, 285104), (3296, 273340), (3460, 260384), (4120, 218672), (5056, 178190), (5536, 162740), (6320, 142552), (6592, 136670), (6920, 130192), (8137, 110720), (8240, 109336), (10112, 89095), (11072, 81370), (12640, 71276), (13184, 68335), (13667, 65920), (13840, 65096), (16274, 55360), (16480, 54668), (17819, 50560), (22144, 40685), (25280, 35638), (27334, 32960), (27680, 32548)]