291235440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1213481}}^1$

素因数の和:1213497

約数の個数: 40

約数和(自身を含む): 902830608

約数和(自身を除く): 611595168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1213481, 2426962, 3640443, 4853924, 6067405, 7280886, 9707848, 12134810, 14561772, 18202215, 19415696, 24269620, 29123544, 36404430, 48539240, 58247088, 72808860, 97078480, 145617720, 291235440]

約数ペア:

[(1, 291235440), (2, 145617720), (3, 97078480), (4, 72808860), (5, 58247088), (6, 48539240), (8, 36404430), (10, 29123544), (12, 24269620), (15, 19415696), (16, 18202215), (20, 14561772), (24, 12134810), (30, 9707848), (40, 7280886), (48, 6067405), (60, 4853924), (80, 3640443), (120, 2426962), (240, 1213481)]