72993680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^2\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 60

約数和(自身を含む): 173085276

約数和(自身を除く): 100091596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 181, 284, 355, 362, 568, 710, 724, 905, 1136, 1420, 1448, 1810, 2840, 2896, 3620, 5041, 5680, 7240, 10082, 12851, 14480, 20164, 25205, 25702, 40328, 50410, 51404, 64255, 80656, 100820, 102808, 128510, 201640, 205616, 257020, 403280, 514040, 912421, 1028080, 1824842, 3649684, 4562105, 7299368, 9124210, 14598736, 18248420, 36496840, 72993680]

約数ペア:

[(1, 72993680), (2, 36496840), (4, 18248420), (5, 14598736), (8, 9124210), (10, 7299368), (16, 4562105), (20, 3649684), (40, 1824842), (71, 1028080), (80, 912421), (142, 514040), (181, 403280), (284, 257020), (355, 205616), (362, 201640), (568, 128510), (710, 102808), (724, 100820), (905, 80656), (1136, 64255), (1420, 51404), (1448, 50410), (1810, 40328), (2840, 25702), (2896, 25205), (3620, 20164), (5041, 14480), (5680, 12851), (7240, 10082)]