243216080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1116

約数の個数: 80

約数和(自身を含む): 590105088

約数和(自身を除く): 346889008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 101, 124, 155, 202, 248, 310, 404, 496, 505, 620, 808, 971, 1010, 1240, 1616, 1942, 2020, 2480, 3131, 3884, 4040, 4855, 6262, 7768, 8080, 9710, 12524, 15536, 15655, 19420, 25048, 30101, 31310, 38840, 50096, 60202, 62620, 77680, 98071, 120404, 125240, 150505, 196142, 240808, 250480, 301010, 392284, 481616, 490355, 602020, 784568, 980710, 1204040, 1569136, 1961420, 2408080, 3040201, 3922840, 6080402, 7845680, 12160804, 15201005, 24321608, 30402010, 48643216, 60804020, 121608040, 243216080]

約数ペア:

[(1, 243216080), (2, 121608040), (4, 60804020), (5, 48643216), (8, 30402010), (10, 24321608), (16, 15201005), (20, 12160804), (31, 7845680), (40, 6080402), (62, 3922840), (80, 3040201), (101, 2408080), (124, 1961420), (155, 1569136), (202, 1204040), (248, 980710), (310, 784568), (404, 602020), (496, 490355), (505, 481616), (620, 392284), (808, 301010), (971, 250480), (1010, 240808), (1240, 196142), (1616, 150505), (1942, 125240), (2020, 120404), (2480, 98071), (3131, 77680), (3884, 62620), (4040, 60202), (4855, 50096), (6262, 38840), (7768, 31310), (8080, 30101), (9710, 25048), (12524, 19420), (15536, 15655)]