61531220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 132427008

約数和(自身を除く): 70895788

約数列:

[1, 2, 4, 5, 10, 20, 83, 101, 166, 202, 332, 367, 404, 415, 505, 734, 830, 1010, 1468, 1660, 1835, 2020, 3670, 7340, 8383, 16766, 30461, 33532, 37067, 41915, 60922, 74134, 83830, 121844, 148268, 152305, 167660, 185335, 304610, 370670, 609220, 741340, 3076561, 6153122, 12306244, 15382805, 30765610, 61531220]

約数ペア:

[(1, 61531220), (2, 30765610), (4, 15382805), (5, 12306244), (10, 6153122), (20, 3076561), (83, 741340), (101, 609220), (166, 370670), (202, 304610), (332, 185335), (367, 167660), (404, 152305), (415, 148268), (505, 121844), (734, 83830), (830, 74134), (1010, 60922), (1468, 41915), (1660, 37067), (1835, 33532), (2020, 30461), (3670, 16766), (7340, 8383)]