191451780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81817}}^1$

素因数の和:81845

約数の個数: 72

約数和(自身を含む): 625416792

約数和(自身を除く): 433965012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 81817, 163634, 245451, 327268, 409085, 490902, 736353, 818170, 981804, 1063621, 1227255, 1472706, 1636340, 2127242, 2454510, 2945412, 3190863, 3681765, 4254484, 4909020, 5318105, 6381726, 7363530, 9572589, 10636210, 12763452, 14727060, 15954315, 19145178, 21272420, 31908630, 38290356, 47862945, 63817260, 95725890, 191451780]

約数ペア:

[(1, 191451780), (2, 95725890), (3, 63817260), (4, 47862945), (5, 38290356), (6, 31908630), (9, 21272420), (10, 19145178), (12, 15954315), (13, 14727060), (15, 12763452), (18, 10636210), (20, 9572589), (26, 7363530), (30, 6381726), (36, 5318105), (39, 4909020), (45, 4254484), (52, 3681765), (60, 3190863), (65, 2945412), (78, 2454510), (90, 2127242), (117, 1636340), (130, 1472706), (156, 1227255), (180, 1063621), (195, 981804), (234, 818170), (260, 736353), (390, 490902), (468, 409085), (585, 327268), (780, 245451), (1170, 163634), (2340, 81817)]