820774320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{148691}}^1$

素因数の和:148730

約数の個数: 80

約数和(自身を含む): 2655044352

約数和(自身を除く): 1834270032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 148691, 297382, 446073, 594764, 743455, 892146, 1189528, 1486910, 1784292, 2230365, 2379056, 2973820, 3419893, 3568584, 4460730, 5947640, 6839786, 7137168, 8921460, 10259679, 11895280, 13679572, 17099465, 17842920, 20519358, 27359144, 34198930, 35685840, 41038716, 51298395, 54718288, 68397860, 82077432, 102596790, 136795720, 164154864, 205193580, 273591440, 410387160, 820774320]

約数ペア:

[(1, 820774320), (2, 410387160), (3, 273591440), (4, 205193580), (5, 164154864), (6, 136795720), (8, 102596790), (10, 82077432), (12, 68397860), (15, 54718288), (16, 51298395), (20, 41038716), (23, 35685840), (24, 34198930), (30, 27359144), (40, 20519358), (46, 17842920), (48, 17099465), (60, 13679572), (69, 11895280), (80, 10259679), (92, 8921460), (115, 7137168), (120, 6839786), (138, 5947640), (184, 4460730), (230, 3568584), (240, 3419893), (276, 2973820), (345, 2379056), (368, 2230365), (460, 1784292), (552, 1486910), (690, 1189528), (920, 892146), (1104, 743455), (1380, 594764), (1840, 446073), (2760, 297382), (5520, 148691)]