81971520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{829}}^1$

素因数の和:952

約数の個数: 112

約数和(自身を含む): 263103360

約数和(自身を除く): 181131840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 160, 192, 206, 240, 309, 320, 412, 480, 515, 618, 824, 829, 960, 1030, 1236, 1545, 1648, 1658, 2060, 2472, 2487, 3090, 3296, 3316, 4120, 4145, 4944, 4974, 6180, 6592, 6632, 8240, 8290, 9888, 9948, 12360, 12435, 13264, 16480, 16580, 19776, 19896, 24720, 24870, 26528, 32960, 33160, 39792, 49440, 49740, 53056, 66320, 79584, 85387, 98880, 99480, 132640, 159168, 170774, 198960, 256161, 265280, 341548, 397920, 426935, 512322, 683096, 795840, 853870, 1024644, 1280805, 1366192, 1707740, 2049288, 2561610, 2732384, 3415480, 4098576, 5123220, 5464768, 6830960, 8197152, 10246440, 13661920, 16394304, 20492880, 27323840, 40985760, 81971520]

約数ペア:

[(1, 81971520), (2, 40985760), (3, 27323840), (4, 20492880), (5, 16394304), (6, 13661920), (8, 10246440), (10, 8197152), (12, 6830960), (15, 5464768), (16, 5123220), (20, 4098576), (24, 3415480), (30, 2732384), (32, 2561610), (40, 2049288), (48, 1707740), (60, 1366192), (64, 1280805), (80, 1024644), (96, 853870), (103, 795840), (120, 683096), (160, 512322), (192, 426935), (206, 397920), (240, 341548), (309, 265280), (320, 256161), (412, 198960), (480, 170774), (515, 159168), (618, 132640), (824, 99480), (829, 98880), (960, 85387), (1030, 79584), (1236, 66320), (1545, 53056), (1648, 49740), (1658, 49440), (2060, 39792), (2472, 33160), (2487, 32960), (3090, 26528), (3296, 24870), (3316, 24720), (4120, 19896), (4145, 19776), (4944, 16580), (4974, 16480), (6180, 13264), (6592, 12435), (6632, 12360), (8240, 9948), (8290, 9888)]