18948960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13159}}^1$

素因数の和:13180

約数の個数: 72

約数和(自身を含む): 64668240

約数和(自身を除く): 45719280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13159, 26318, 39477, 52636, 65795, 78954, 105272, 118431, 131590, 157908, 197385, 210544, 236862, 263180, 315816, 394770, 421088, 473724, 526360, 592155, 631632, 789540, 947448, 1052720, 1184310, 1263264, 1579080, 1894896, 2105440, 2368620, 3158160, 3789792, 4737240, 6316320, 9474480, 18948960]

約数ペア:

[(1, 18948960), (2, 9474480), (3, 6316320), (4, 4737240), (5, 3789792), (6, 3158160), (8, 2368620), (9, 2105440), (10, 1894896), (12, 1579080), (15, 1263264), (16, 1184310), (18, 1052720), (20, 947448), (24, 789540), (30, 631632), (32, 592155), (36, 526360), (40, 473724), (45, 421088), (48, 394770), (60, 315816), (72, 263180), (80, 236862), (90, 210544), (96, 197385), (120, 157908), (144, 131590), (160, 118431), (180, 105272), (240, 78954), (288, 65795), (360, 52636), (480, 39477), (720, 26318), (1440, 13159)]