80812080

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{4157}}^1$

素因数の和:4185

約数の個数: 120

約数和(自身を含む): 281513232

約数和(自身を除く): 200701152

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, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4157, 4860, 6480, 8314, 9720, 12471, 16628, 19440, 20785, 24942, 33256, 37413, 41570, 49884, 62355, 66512, 74826, 83140, 99768, 112239, 124710, 149652, 166280, 187065, 199536, 224478, 249420, 299304, 332560, 336717, 374130, 448956, 498840, 561195, 598608, 673434, 748260, 897912, 997680, 1010151, 1122390, 1346868, 1496520, 1683585, 1795824, 2020302, 2244780, 2693736, 2993040, 3367170, 4040604, 4489560, 5050755, 5387472, 6734340, 8081208, 8979120, 10101510, 13468680, 16162416, 20203020, 26937360, 40406040, 80812080]

約数ペア:

[(1, 80812080), (2, 40406040), (3, 26937360), (4, 20203020), (5, 16162416), (6, 13468680), (8, 10101510), (9, 8979120), (10, 8081208), (12, 6734340), (15, 5387472), (16, 5050755), (18, 4489560), (20, 4040604), (24, 3367170), (27, 2993040), (30, 2693736), (36, 2244780), (40, 2020302), (45, 1795824), (48, 1683585), (54, 1496520), (60, 1346868), (72, 1122390), (80, 1010151), (81, 997680), (90, 897912), (108, 748260), (120, 673434), (135, 598608), (144, 561195), (162, 498840), (180, 448956), (216, 374130), (240, 336717), (243, 332560), (270, 299304), (324, 249420), (360, 224478), (405, 199536), (432, 187065), (486, 166280), (540, 149652), (648, 124710), (720, 112239), (810, 99768), (972, 83140), (1080, 74826), (1215, 66512), (1296, 62355), (1620, 49884), (1944, 41570), (2160, 37413), (2430, 33256), (3240, 24942), (3888, 20785), (4157, 19440), (4860, 16628), (6480, 12471), (8314, 9720)]