400859520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2027}}^1$

素因数の和:2152

約数の個数: 128

約数和(自身を含む): 1290781440

約数和(自身を除く): 889921920

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, 128, 160, 192, 206, 240, 309, 320, 384, 412, 480, 515, 618, 640, 824, 960, 1030, 1236, 1545, 1648, 1920, 2027, 2060, 2472, 3090, 3296, 4054, 4120, 4944, 6081, 6180, 6592, 8108, 8240, 9888, 10135, 12162, 12360, 13184, 16216, 16480, 19776, 20270, 24324, 24720, 30405, 32432, 32960, 39552, 40540, 48648, 49440, 60810, 64864, 65920, 81080, 97296, 98880, 121620, 129728, 162160, 194592, 197760, 208781, 243240, 259456, 324320, 389184, 417562, 486480, 626343, 648640, 778368, 835124, 972960, 1043905, 1252686, 1297280, 1670248, 1945920, 2087810, 2505372, 3131715, 3340496, 3891840, 4175620, 5010744, 6263430, 6680992, 8351240, 10021488, 12526860, 13361984, 16702480, 20042976, 25053720, 26723968, 33404960, 40085952, 50107440, 66809920, 80171904, 100214880, 133619840, 200429760, 400859520]

約数ペア:

[(1, 400859520), (2, 200429760), (3, 133619840), (4, 100214880), (5, 80171904), (6, 66809920), (8, 50107440), (10, 40085952), (12, 33404960), (15, 26723968), (16, 25053720), (20, 20042976), (24, 16702480), (30, 13361984), (32, 12526860), (40, 10021488), (48, 8351240), (60, 6680992), (64, 6263430), (80, 5010744), (96, 4175620), (103, 3891840), (120, 3340496), (128, 3131715), (160, 2505372), (192, 2087810), (206, 1945920), (240, 1670248), (309, 1297280), (320, 1252686), (384, 1043905), (412, 972960), (480, 835124), (515, 778368), (618, 648640), (640, 626343), (824, 486480), (960, 417562), (1030, 389184), (1236, 324320), (1545, 259456), (1648, 243240), (1920, 208781), (2027, 197760), (2060, 194592), (2472, 162160), (3090, 129728), (3296, 121620), (4054, 98880), (4120, 97296), (4944, 81080), (6081, 65920), (6180, 64864), (6592, 60810), (8108, 49440), (8240, 48648), (9888, 40540), (10135, 39552), (12162, 32960), (12360, 32432), (13184, 30405), (16216, 24720), (16480, 24324), (19776, 20270)]