81265680

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{12541}}^1$

素因数の和:12566

約数の個数: 100

約数和(自身を含む): 282270252

約数和(自身を除く): 201004572

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 12541, 25082, 37623, 50164, 62705, 75246, 100328, 112869, 125410, 150492, 188115, 200656, 225738, 250820, 300984, 338607, 376230, 451476, 501640, 564345, 601968, 677214, 752460, 902952, 1003280, 1015821, 1128690, 1354428, 1504920, 1693035, 1805904, 2031642, 2257380, 2708856, 3009840, 3386070, 4063284, 4514760, 5079105, 5417712, 6772140, 8126568, 9029520, 10158210, 13544280, 16253136, 20316420, 27088560, 40632840, 81265680]

約数ペア:

[(1, 81265680), (2, 40632840), (3, 27088560), (4, 20316420), (5, 16253136), (6, 13544280), (8, 10158210), (9, 9029520), (10, 8126568), (12, 6772140), (15, 5417712), (16, 5079105), (18, 4514760), (20, 4063284), (24, 3386070), (27, 3009840), (30, 2708856), (36, 2257380), (40, 2031642), (45, 1805904), (48, 1693035), (54, 1504920), (60, 1354428), (72, 1128690), (80, 1015821), (81, 1003280), (90, 902952), (108, 752460), (120, 677214), (135, 601968), (144, 564345), (162, 501640), (180, 451476), (216, 376230), (240, 338607), (270, 300984), (324, 250820), (360, 225738), (405, 200656), (432, 188115), (540, 150492), (648, 125410), (720, 112869), (810, 100328), (1080, 75246), (1296, 62705), (1620, 50164), (2160, 37623), (3240, 25082), (6480, 12541)]