81763740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14653}}^1$

素因数の和:14699

約数の個数: 72

約数和(自身を含む): 256034688

約数和(自身を除く): 174270948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 14653, 29306, 43959, 58612, 73265, 87918, 131877, 146530, 175836, 219795, 263754, 293060, 439590, 454243, 527508, 659385, 879180, 908486, 1318770, 1362729, 1816972, 2271215, 2637540, 2725458, 4088187, 4542430, 5450916, 6813645, 8176374, 9084860, 13627290, 16352748, 20440935, 27254580, 40881870, 81763740]

約数ペア:

[(1, 81763740), (2, 40881870), (3, 27254580), (4, 20440935), (5, 16352748), (6, 13627290), (9, 9084860), (10, 8176374), (12, 6813645), (15, 5450916), (18, 4542430), (20, 4088187), (30, 2725458), (31, 2637540), (36, 2271215), (45, 1816972), (60, 1362729), (62, 1318770), (90, 908486), (93, 879180), (124, 659385), (155, 527508), (180, 454243), (186, 439590), (279, 293060), (310, 263754), (372, 219795), (465, 175836), (558, 146530), (620, 131877), (930, 87918), (1116, 73265), (1395, 58612), (1860, 43959), (2790, 29306), (5580, 14653)]