1878578730

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{331319}}^1$

素因数の和:331345

約数の個数: 80

約数和(自身を含む): 5772919680

約数和(自身を除く): 3894340950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 331319, 662638, 993957, 1656595, 1987914, 2319233, 2981871, 3313190, 4638466, 4969785, 5963742, 6957699, 8945613, 9939570, 11596165, 13915398, 14909355, 17891226, 20873097, 23192330, 26836839, 29818710, 34788495, 41746194, 44728065, 53673678, 62619291, 69576990, 89456130, 104365485, 125238582, 134184195, 187857873, 208730970, 268368390, 313096455, 375715746, 626192910, 939289365, 1878578730]

約数ペア:

[(1, 1878578730), (2, 939289365), (3, 626192910), (5, 375715746), (6, 313096455), (7, 268368390), (9, 208730970), (10, 187857873), (14, 134184195), (15, 125238582), (18, 104365485), (21, 89456130), (27, 69576990), (30, 62619291), (35, 53673678), (42, 44728065), (45, 41746194), (54, 34788495), (63, 29818710), (70, 26836839), (81, 23192330), (90, 20873097), (105, 17891226), (126, 14909355), (135, 13915398), (162, 11596165), (189, 9939570), (210, 8945613), (270, 6957699), (315, 5963742), (378, 4969785), (405, 4638466), (567, 3313190), (630, 2981871), (810, 2319233), (945, 1987914), (1134, 1656595), (1890, 993957), (2835, 662638), (5670, 331319)]