80267940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15377}}^1$

素因数の和:15421

約数の個数: 72

約数和(自身を含む): 251891640

約数和(自身を除く): 171623700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 15377, 30754, 46131, 61508, 76885, 92262, 138393, 153770, 184524, 230655, 276786, 307540, 445933, 461310, 553572, 691965, 891866, 922620, 1337799, 1383930, 1783732, 2229665, 2675598, 2767860, 4013397, 4459330, 5351196, 6688995, 8026794, 8918660, 13377990, 16053588, 20066985, 26755980, 40133970, 80267940]

約数ペア:

[(1, 80267940), (2, 40133970), (3, 26755980), (4, 20066985), (5, 16053588), (6, 13377990), (9, 8918660), (10, 8026794), (12, 6688995), (15, 5351196), (18, 4459330), (20, 4013397), (29, 2767860), (30, 2675598), (36, 2229665), (45, 1783732), (58, 1383930), (60, 1337799), (87, 922620), (90, 891866), (116, 691965), (145, 553572), (174, 461310), (180, 445933), (261, 307540), (290, 276786), (348, 230655), (435, 184524), (522, 153770), (580, 138393), (870, 92262), (1044, 76885), (1305, 61508), (1740, 46131), (2610, 30754), (5220, 15377)]