128545477620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{306060661}}^1$

素因数の和:306060680

約数の個数: 48

約数和(自身を含む): 411345529728

約数和(自身を除く): 282800052108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 306060661, 612121322, 918181983, 1224242644, 1530303305, 1836363966, 2142424627, 3060606610, 3672727932, 4284849254, 4590909915, 6121213220, 6427273881, 8569698508, 9181819830, 10712123135, 12854547762, 18363639660, 21424246270, 25709095524, 32136369405, 42848492540, 64272738810, 128545477620]

約数ペア:

[(1, 128545477620), (2, 64272738810), (3, 42848492540), (4, 32136369405), (5, 25709095524), (6, 21424246270), (7, 18363639660), (10, 12854547762), (12, 10712123135), (14, 9181819830), (15, 8569698508), (20, 6427273881), (21, 6121213220), (28, 4590909915), (30, 4284849254), (35, 3672727932), (42, 3060606610), (60, 2142424627), (70, 1836363966), (84, 1530303305), (105, 1224242644), (140, 918181983), (210, 612121322), (420, 306060661)]