68414320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 172801440

約数和(自身を除く): 104387120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 157, 208, 260, 314, 419, 520, 628, 785, 838, 1040, 1256, 1570, 1676, 2041, 2095, 2512, 3140, 3352, 4082, 4190, 5447, 6280, 6704, 8164, 8380, 10205, 10894, 12560, 16328, 16760, 20410, 21788, 27235, 32656, 33520, 40820, 43576, 54470, 65783, 81640, 87152, 108940, 131566, 163280, 217880, 263132, 328915, 435760, 526264, 657830, 855179, 1052528, 1315660, 1710358, 2631320, 3420716, 4275895, 5262640, 6841432, 8551790, 13682864, 17103580, 34207160, 68414320]

約数ペア:

[(1, 68414320), (2, 34207160), (4, 17103580), (5, 13682864), (8, 8551790), (10, 6841432), (13, 5262640), (16, 4275895), (20, 3420716), (26, 2631320), (40, 1710358), (52, 1315660), (65, 1052528), (80, 855179), (104, 657830), (130, 526264), (157, 435760), (208, 328915), (260, 263132), (314, 217880), (419, 163280), (520, 131566), (628, 108940), (785, 87152), (838, 81640), (1040, 65783), (1256, 54470), (1570, 43576), (1676, 40820), (2041, 33520), (2095, 32656), (2512, 27235), (3140, 21788), (3352, 20410), (4082, 16760), (4190, 16328), (5447, 12560), (6280, 10894), (6704, 10205), (8164, 8380)]