725904

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^2$

素因数の和:156

約数の個数: 45

約数和(自身を含む): 2060539

約数和(自身を除く): 1334635

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5041, 5112, 10082, 10224, 15123, 20164, 30246, 40328, 45369, 60492, 80656, 90738, 120984, 181476, 241968, 362952, 725904]

約数ペア:

[(1, 725904), (2, 362952), (3, 241968), (4, 181476), (6, 120984), (8, 90738), (9, 80656), (12, 60492), (16, 45369), (18, 40328), (24, 30246), (36, 20164), (48, 15123), (71, 10224), (72, 10082), (142, 5112), (144, 5041), (213, 3408), (284, 2556), (426, 1704), (568, 1278), (639, 1136)]