87788480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:526

約数の個数: 112

約数和(自身を含む): 230428800

約数和(自身を除く): 142640320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 320, 376, 416, 449, 470, 520, 611, 752, 832, 898, 940, 1040, 1222, 1504, 1796, 1880, 2080, 2245, 2444, 3008, 3055, 3592, 3760, 4160, 4490, 4888, 5837, 6110, 7184, 7520, 8980, 9776, 11674, 12220, 14368, 15040, 17960, 19552, 21103, 23348, 24440, 28736, 29185, 35920, 39104, 42206, 46696, 48880, 58370, 71840, 84412, 93392, 97760, 105515, 116740, 143680, 168824, 186784, 195520, 211030, 233480, 274339, 337648, 373568, 422060, 466960, 548678, 675296, 844120, 933920, 1097356, 1350592, 1371695, 1688240, 1867840, 2194712, 2743390, 3376480, 4389424, 5486780, 6752960, 8778848, 10973560, 17557696, 21947120, 43894240, 87788480]

約数ペア:

[(1, 87788480), (2, 43894240), (4, 21947120), (5, 17557696), (8, 10973560), (10, 8778848), (13, 6752960), (16, 5486780), (20, 4389424), (26, 3376480), (32, 2743390), (40, 2194712), (47, 1867840), (52, 1688240), (64, 1371695), (65, 1350592), (80, 1097356), (94, 933920), (104, 844120), (130, 675296), (160, 548678), (188, 466960), (208, 422060), (235, 373568), (260, 337648), (320, 274339), (376, 233480), (416, 211030), (449, 195520), (470, 186784), (520, 168824), (611, 143680), (752, 116740), (832, 105515), (898, 97760), (940, 93392), (1040, 84412), (1222, 71840), (1504, 58370), (1796, 48880), (1880, 46696), (2080, 42206), (2245, 39104), (2444, 35920), (3008, 29185), (3055, 28736), (3592, 24440), (3760, 23348), (4160, 21103), (4490, 19552), (4888, 17960), (5837, 15040), (6110, 14368), (7184, 12220), (7520, 11674), (8980, 9776)]