1638707940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2837}}^1\times {\mathrm{3209}}^1$

素因数の和:6061

約数の個数: 72

約数和(自身を含む): 4974049080

約数和(自身を除く): 3335341140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2837, 3209, 5674, 6418, 8511, 9627, 11348, 12836, 14185, 16045, 17022, 19254, 25533, 28370, 28881, 32090, 34044, 38508, 42555, 48135, 51066, 56740, 57762, 64180, 85110, 96270, 102132, 115524, 127665, 144405, 170220, 192540, 255330, 288810, 510660, 577620, 9103933, 18207866, 27311799, 36415732, 45519665, 54623598, 81935397, 91039330, 109247196, 136558995, 163870794, 182078660, 273117990, 327741588, 409676985, 546235980, 819353970, 1638707940]

約数ペア:

[(1, 1638707940), (2, 819353970), (3, 546235980), (4, 409676985), (5, 327741588), (6, 273117990), (9, 182078660), (10, 163870794), (12, 136558995), (15, 109247196), (18, 91039330), (20, 81935397), (30, 54623598), (36, 45519665), (45, 36415732), (60, 27311799), (90, 18207866), (180, 9103933), (2837, 577620), (3209, 510660), (5674, 288810), (6418, 255330), (8511, 192540), (9627, 170220), (11348, 144405), (12836, 127665), (14185, 115524), (16045, 102132), (17022, 96270), (19254, 85110), (25533, 64180), (28370, 57762), (28881, 56740), (32090, 51066), (34044, 48135), (38508, 42555)]