168636080

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 402161760

約数和(自身を除く): 233525680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 109, 166, 218, 233, 332, 415, 436, 466, 545, 664, 830, 872, 932, 1090, 1165, 1328, 1660, 1744, 1864, 2180, 2330, 3320, 3728, 4360, 4660, 6640, 8720, 9047, 9320, 18094, 18640, 19339, 25397, 36188, 38678, 45235, 50794, 72376, 77356, 90470, 96695, 101588, 126985, 144752, 154712, 180940, 193390, 203176, 253970, 309424, 361880, 386780, 406352, 507940, 723760, 773560, 1015880, 1547120, 2031760, 2107951, 4215902, 8431804, 10539755, 16863608, 21079510, 33727216, 42159020, 84318040, 168636080]

約数ペア:

[(1, 168636080), (2, 84318040), (4, 42159020), (5, 33727216), (8, 21079510), (10, 16863608), (16, 10539755), (20, 8431804), (40, 4215902), (80, 2107951), (83, 2031760), (109, 1547120), (166, 1015880), (218, 773560), (233, 723760), (332, 507940), (415, 406352), (436, 386780), (466, 361880), (545, 309424), (664, 253970), (830, 203176), (872, 193390), (932, 180940), (1090, 154712), (1165, 144752), (1328, 126985), (1660, 101588), (1744, 96695), (1864, 90470), (2180, 77356), (2330, 72376), (3320, 50794), (3728, 45235), (4360, 38678), (4660, 36188), (6640, 25397), (8720, 19339), (9047, 18640), (9320, 18094)]