257427480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19681}}^1$

素因数の和:19804

約数の個数: 64

約数和(自身を含む): 779407200

約数和(自身を除く): 521979720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1635, 2180, 2616, 3270, 4360, 6540, 13080, 19681, 39362, 59043, 78724, 98405, 118086, 157448, 196810, 236172, 295215, 393620, 472344, 590430, 787240, 1180860, 2145229, 2361720, 4290458, 6435687, 8580916, 10726145, 12871374, 17161832, 21452290, 25742748, 32178435, 42904580, 51485496, 64356870, 85809160, 128713740, 257427480]

約数ペア:

[(1, 257427480), (2, 128713740), (3, 85809160), (4, 64356870), (5, 51485496), (6, 42904580), (8, 32178435), (10, 25742748), (12, 21452290), (15, 17161832), (20, 12871374), (24, 10726145), (30, 8580916), (40, 6435687), (60, 4290458), (109, 2361720), (120, 2145229), (218, 1180860), (327, 787240), (436, 590430), (545, 472344), (654, 393620), (872, 295215), (1090, 236172), (1308, 196810), (1635, 157448), (2180, 118086), (2616, 98405), (3270, 78724), (4360, 59043), (6540, 39362), (13080, 19681)]