31560140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 73394160

約数和(自身を除く): 41834020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 157, 190, 230, 314, 380, 437, 460, 529, 628, 785, 874, 1058, 1570, 1748, 2116, 2185, 2645, 2983, 3140, 3611, 4370, 5290, 5966, 7222, 8740, 10051, 10580, 11932, 14444, 14915, 18055, 20102, 29830, 36110, 40204, 50255, 59660, 68609, 72220, 83053, 100510, 137218, 166106, 201020, 274436, 332212, 343045, 415265, 686090, 830530, 1372180, 1578007, 1661060, 3156014, 6312028, 7890035, 15780070, 31560140]

約数ペア:

[(1, 31560140), (2, 15780070), (4, 7890035), (5, 6312028), (10, 3156014), (19, 1661060), (20, 1578007), (23, 1372180), (38, 830530), (46, 686090), (76, 415265), (92, 343045), (95, 332212), (115, 274436), (157, 201020), (190, 166106), (230, 137218), (314, 100510), (380, 83053), (437, 72220), (460, 68609), (529, 59660), (628, 50255), (785, 40204), (874, 36110), (1058, 29830), (1570, 20102), (1748, 18055), (2116, 14915), (2185, 14444), (2645, 11932), (2983, 10580), (3140, 10051), (3611, 8740), (4370, 7222), (5290, 5966)]