81672240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26177}}^1$

素因数の和:26206

約数の個数: 80

約数和(自身を含む): 272670048

約数和(自身を除く): 190997808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 26177, 52354, 78531, 104708, 130885, 157062, 209416, 261770, 314124, 340301, 392655, 418832, 523540, 628248, 680602, 785310, 1020903, 1047080, 1256496, 1361204, 1570620, 1701505, 2041806, 2094160, 2722408, 3141240, 3403010, 4083612, 5104515, 5444816, 6282480, 6806020, 8167224, 10209030, 13612040, 16334448, 20418060, 27224080, 40836120, 81672240]

約数ペア:

[(1, 81672240), (2, 40836120), (3, 27224080), (4, 20418060), (5, 16334448), (6, 13612040), (8, 10209030), (10, 8167224), (12, 6806020), (13, 6282480), (15, 5444816), (16, 5104515), (20, 4083612), (24, 3403010), (26, 3141240), (30, 2722408), (39, 2094160), (40, 2041806), (48, 1701505), (52, 1570620), (60, 1361204), (65, 1256496), (78, 1047080), (80, 1020903), (104, 785310), (120, 680602), (130, 628248), (156, 523540), (195, 418832), (208, 392655), (240, 340301), (260, 314124), (312, 261770), (390, 209416), (520, 157062), (624, 130885), (780, 104708), (1040, 78531), (1560, 52354), (3120, 26177)]