1293742160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{951281}}^1$

素因数の和:951311

約数の個数: 40

約数和(自身を含む): 3184892136

約数和(自身を除く): 1891149976

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 951281, 1902562, 3805124, 4756405, 7610248, 9512810, 15220496, 16171777, 19025620, 32343554, 38051240, 64687108, 76102480, 80858885, 129374216, 161717770, 258748432, 323435540, 646871080, 1293742160]

約数ペア:

[(1, 1293742160), (2, 646871080), (4, 323435540), (5, 258748432), (8, 161717770), (10, 129374216), (16, 80858885), (17, 76102480), (20, 64687108), (34, 38051240), (40, 32343554), (68, 19025620), (80, 16171777), (85, 15220496), (136, 9512810), (170, 7610248), (272, 4756405), (340, 3805124), (680, 1902562), (1360, 951281)]