81849960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75787}}^1$

素因数の和:75807

約数の個数: 64

約数和(自身を含む): 272836800

約数和(自身を除く): 190986840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75787, 151574, 227361, 303148, 378935, 454722, 606296, 682083, 757870, 909444, 1136805, 1364166, 1515740, 1818888, 2046249, 2273610, 2728332, 3031480, 3410415, 4092498, 4547220, 5456664, 6820830, 8184996, 9094440, 10231245, 13641660, 16369992, 20462490, 27283320, 40924980, 81849960]

約数ペア:

[(1, 81849960), (2, 40924980), (3, 27283320), (4, 20462490), (5, 16369992), (6, 13641660), (8, 10231245), (9, 9094440), (10, 8184996), (12, 6820830), (15, 5456664), (18, 4547220), (20, 4092498), (24, 3410415), (27, 3031480), (30, 2728332), (36, 2273610), (40, 2046249), (45, 1818888), (54, 1515740), (60, 1364166), (72, 1136805), (90, 909444), (108, 757870), (120, 682083), (135, 606296), (180, 454722), (216, 378935), (270, 303148), (360, 227361), (540, 151574), (1080, 75787)]