72694240

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1901}}^1$

素因数の和:2155

約数の個数: 48

約数和(自身を含む): 172549440

約数和(自身を除く): 99855200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1901, 1912, 2390, 3802, 3824, 4780, 7604, 7648, 9505, 9560, 15208, 19010, 19120, 30416, 38020, 38240, 60832, 76040, 152080, 304160, 454339, 908678, 1817356, 2271695, 3634712, 4543390, 7269424, 9086780, 14538848, 18173560, 36347120, 72694240]

約数ペア:

[(1, 72694240), (2, 36347120), (4, 18173560), (5, 14538848), (8, 9086780), (10, 7269424), (16, 4543390), (20, 3634712), (32, 2271695), (40, 1817356), (80, 908678), (160, 454339), (239, 304160), (478, 152080), (956, 76040), (1195, 60832), (1901, 38240), (1912, 38020), (2390, 30416), (3802, 19120), (3824, 19010), (4780, 15208), (7604, 9560), (7648, 9505)]