81764310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1$

素因数の和:1773

約数の個数: 64

約数和(自身を含む): 207774720

約数和(自身を除く): 126010410

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 71, 115, 138, 142, 213, 230, 345, 355, 426, 690, 710, 1065, 1633, 1669, 2130, 3266, 3338, 4899, 5007, 8165, 8345, 9798, 10014, 16330, 16690, 24495, 25035, 38387, 48990, 50070, 76774, 115161, 118499, 191935, 230322, 236998, 355497, 383870, 575805, 592495, 710994, 1151610, 1184990, 1777485, 2725477, 3554970, 5450954, 8176431, 13627385, 16352862, 27254770, 40882155, 81764310]

約数ペア:

[(1, 81764310), (2, 40882155), (3, 27254770), (5, 16352862), (6, 13627385), (10, 8176431), (15, 5450954), (23, 3554970), (30, 2725477), (46, 1777485), (69, 1184990), (71, 1151610), (115, 710994), (138, 592495), (142, 575805), (213, 383870), (230, 355497), (345, 236998), (355, 230322), (426, 191935), (690, 118499), (710, 115161), (1065, 76774), (1633, 50070), (1669, 48990), (2130, 38387), (3266, 25035), (3338, 24495), (4899, 16690), (5007, 16330), (8165, 10014), (8345, 9798)]