64788840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{179969}}^1$

素因数の和:179986

約数の個数: 48

約数和(自身を含む): 210564900

約数和(自身を除く): 145776060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 179969, 359938, 539907, 719876, 899845, 1079814, 1439752, 1619721, 1799690, 2159628, 2699535, 3239442, 3599380, 4319256, 5399070, 6478884, 7198760, 8098605, 10798140, 12957768, 16197210, 21596280, 32394420, 64788840]

約数ペア:

[(1, 64788840), (2, 32394420), (3, 21596280), (4, 16197210), (5, 12957768), (6, 10798140), (8, 8098605), (9, 7198760), (10, 6478884), (12, 5399070), (15, 4319256), (18, 3599380), (20, 3239442), (24, 2699535), (30, 2159628), (36, 1799690), (40, 1619721), (45, 1439752), (60, 1079814), (72, 899845), (90, 719876), (120, 539907), (180, 359938), (360, 179969)]