81877320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32491}}^1$

素因数の和:32515

約数の個数: 96

約数和(自身を含む): 304125120

約数和(自身を除く): 222247800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32491, 64982, 97473, 129964, 162455, 194946, 227437, 259928, 292419, 324910, 389892, 454874, 487365, 584838, 649820, 682311, 779784, 909748, 974730, 1137185, 1169676, 1299640, 1364622, 1462095, 1819496, 1949460, 2046933, 2274370, 2339352, 2729244, 2924190, 3411555, 3898920, 4093866, 4548740, 5458488, 5848380, 6823110, 8187732, 9097480, 10234665, 11696760, 13646220, 16375464, 20469330, 27292440, 40938660, 81877320]

約数ペア:

[(1, 81877320), (2, 40938660), (3, 27292440), (4, 20469330), (5, 16375464), (6, 13646220), (7, 11696760), (8, 10234665), (9, 9097480), (10, 8187732), (12, 6823110), (14, 5848380), (15, 5458488), (18, 4548740), (20, 4093866), (21, 3898920), (24, 3411555), (28, 2924190), (30, 2729244), (35, 2339352), (36, 2274370), (40, 2046933), (42, 1949460), (45, 1819496), (56, 1462095), (60, 1364622), (63, 1299640), (70, 1169676), (72, 1137185), (84, 974730), (90, 909748), (105, 779784), (120, 682311), (126, 649820), (140, 584838), (168, 487365), (180, 454874), (210, 389892), (252, 324910), (280, 292419), (315, 259928), (360, 227437), (420, 194946), (504, 162455), (630, 129964), (840, 97473), (1260, 64982), (2520, 32491)]