320182020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2819}}^1$

素因数の和:3465

約数の個数: 72

約数和(自身を含む): 973103040

約数和(自身を除く): 652921020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 631, 1262, 1893, 2524, 2819, 3155, 3786, 5638, 5679, 6310, 7572, 8457, 9465, 11276, 11358, 12620, 14095, 16914, 18930, 22716, 25371, 28190, 28395, 33828, 37860, 42285, 50742, 56380, 56790, 84570, 101484, 113580, 126855, 169140, 253710, 507420, 1778789, 3557578, 5336367, 7115156, 8893945, 10672734, 16009101, 17787890, 21345468, 26681835, 32018202, 35575780, 53363670, 64036404, 80045505, 106727340, 160091010, 320182020]

約数ペア:

[(1, 320182020), (2, 160091010), (3, 106727340), (4, 80045505), (5, 64036404), (6, 53363670), (9, 35575780), (10, 32018202), (12, 26681835), (15, 21345468), (18, 17787890), (20, 16009101), (30, 10672734), (36, 8893945), (45, 7115156), (60, 5336367), (90, 3557578), (180, 1778789), (631, 507420), (1262, 253710), (1893, 169140), (2524, 126855), (2819, 113580), (3155, 101484), (3786, 84570), (5638, 56790), (5679, 56380), (6310, 50742), (7572, 42285), (8457, 37860), (9465, 33828), (11276, 28395), (11358, 28190), (12620, 25371), (14095, 22716), (16914, 18930)]