261541600

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19231}}^1$

素因数の和:19268

約数の個数: 72

約数和(自身を含む): 676081728

約数和(自身を除く): 414540128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1700, 2720, 3400, 6800, 13600, 19231, 38462, 76924, 96155, 153848, 192310, 307696, 326927, 384620, 480775, 615392, 653854, 769240, 961550, 1307708, 1538480, 1634635, 1923100, 2615416, 3076960, 3269270, 3846200, 5230832, 6538540, 7692400, 8173175, 10461664, 13077080, 15384800, 16346350, 26154160, 32692700, 52308320, 65385400, 130770800, 261541600]

約数ペア:

[(1, 261541600), (2, 130770800), (4, 65385400), (5, 52308320), (8, 32692700), (10, 26154160), (16, 16346350), (17, 15384800), (20, 13077080), (25, 10461664), (32, 8173175), (34, 7692400), (40, 6538540), (50, 5230832), (68, 3846200), (80, 3269270), (85, 3076960), (100, 2615416), (136, 1923100), (160, 1634635), (170, 1538480), (200, 1307708), (272, 961550), (340, 769240), (400, 653854), (425, 615392), (544, 480775), (680, 384620), (800, 326927), (850, 307696), (1360, 192310), (1700, 153848), (2720, 96155), (3400, 76924), (6800, 38462), (13600, 19231)]