64081620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{617}}^1$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 195033384

約数和(自身を除く): 130951764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 577, 617, 1154, 1234, 1731, 1851, 2308, 2468, 2885, 3085, 3462, 3702, 5193, 5553, 5770, 6170, 6924, 7404, 8655, 9255, 10386, 11106, 11540, 12340, 17310, 18510, 20772, 22212, 25965, 27765, 34620, 37020, 51930, 55530, 103860, 111060, 356009, 712018, 1068027, 1424036, 1780045, 2136054, 3204081, 3560090, 4272108, 5340135, 6408162, 7120180, 10680270, 12816324, 16020405, 21360540, 32040810, 64081620]

約数ペア:

[(1, 64081620), (2, 32040810), (3, 21360540), (4, 16020405), (5, 12816324), (6, 10680270), (9, 7120180), (10, 6408162), (12, 5340135), (15, 4272108), (18, 3560090), (20, 3204081), (30, 2136054), (36, 1780045), (45, 1424036), (60, 1068027), (90, 712018), (180, 356009), (577, 111060), (617, 103860), (1154, 55530), (1234, 51930), (1731, 37020), (1851, 34620), (2308, 27765), (2468, 25965), (2885, 22212), (3085, 20772), (3462, 18510), (3702, 17310), (5193, 12340), (5553, 11540), (5770, 11106), (6170, 10386), (6924, 9255), (7404, 8655)]