68443740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{659}}^1$

素因数の和:1251

約数の個数: 72

約数和(自身を含む): 208288080

約数和(自身を除く): 139844340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 577, 659, 1154, 1318, 1731, 1977, 2308, 2636, 2885, 3295, 3462, 3954, 5193, 5770, 5931, 6590, 6924, 7908, 8655, 9885, 10386, 11540, 11862, 13180, 17310, 19770, 20772, 23724, 25965, 29655, 34620, 39540, 51930, 59310, 103860, 118620, 380243, 760486, 1140729, 1520972, 1901215, 2281458, 3422187, 3802430, 4562916, 5703645, 6844374, 7604860, 11407290, 13688748, 17110935, 22814580, 34221870, 68443740]

約数ペア:

[(1, 68443740), (2, 34221870), (3, 22814580), (4, 17110935), (5, 13688748), (6, 11407290), (9, 7604860), (10, 6844374), (12, 5703645), (15, 4562916), (18, 3802430), (20, 3422187), (30, 2281458), (36, 1901215), (45, 1520972), (60, 1140729), (90, 760486), (180, 380243), (577, 118620), (659, 103860), (1154, 59310), (1318, 51930), (1731, 39540), (1977, 34620), (2308, 29655), (2636, 25965), (2885, 23724), (3295, 20772), (3462, 19770), (3954, 17310), (5193, 13180), (5770, 11862), (5931, 11540), (6590, 10386), (6924, 9885), (7908, 8655)]