166715440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 398545920

約数和(自身を除く): 231830480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 127, 244, 254, 269, 305, 488, 508, 538, 610, 635, 976, 1016, 1076, 1220, 1270, 1345, 2032, 2152, 2440, 2540, 2690, 4304, 4880, 5080, 5380, 7747, 10160, 10760, 15494, 16409, 21520, 30988, 32818, 34163, 38735, 61976, 65636, 68326, 77470, 82045, 123952, 131272, 136652, 154940, 164090, 170815, 262544, 273304, 309880, 328180, 341630, 546608, 619760, 656360, 683260, 1312720, 1366520, 2083943, 2733040, 4167886, 8335772, 10419715, 16671544, 20839430, 33343088, 41678860, 83357720, 166715440]

約数ペア:

[(1, 166715440), (2, 83357720), (4, 41678860), (5, 33343088), (8, 20839430), (10, 16671544), (16, 10419715), (20, 8335772), (40, 4167886), (61, 2733040), (80, 2083943), (122, 1366520), (127, 1312720), (244, 683260), (254, 656360), (269, 619760), (305, 546608), (488, 341630), (508, 328180), (538, 309880), (610, 273304), (635, 262544), (976, 170815), (1016, 164090), (1076, 154940), (1220, 136652), (1270, 131272), (1345, 123952), (2032, 82045), (2152, 77470), (2440, 68326), (2540, 65636), (2690, 61976), (4304, 38735), (4880, 34163), (5080, 32818), (5380, 30988), (7747, 21520), (10160, 16409), (10760, 15494)]