128840640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1303}}^1$

素因数の和:1426

約数の個数: 112

約数和(自身を含む): 413357568

約数和(自身を除く): 284516928

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, 960, 1030, 1236, 1303, 1545, 1648, 2060, 2472, 2606, 3090, 3296, 3909, 4120, 4944, 5212, 6180, 6515, 6592, 7818, 8240, 9888, 10424, 12360, 13030, 15636, 16480, 19545, 19776, 20848, 24720, 26060, 31272, 32960, 39090, 41696, 49440, 52120, 62544, 78180, 83392, 98880, 104240, 125088, 134209, 156360, 208480, 250176, 268418, 312720, 402627, 416960, 536836, 625440, 671045, 805254, 1073672, 1250880, 1342090, 1610508, 2013135, 2147344, 2684180, 3221016, 4026270, 4294688, 5368360, 6442032, 8052540, 8589376, 10736720, 12884064, 16105080, 21473440, 25768128, 32210160, 42946880, 64420320, 128840640]

約数ペア:

[(1, 128840640), (2, 64420320), (3, 42946880), (4, 32210160), (5, 25768128), (6, 21473440), (8, 16105080), (10, 12884064), (12, 10736720), (15, 8589376), (16, 8052540), (20, 6442032), (24, 5368360), (30, 4294688), (32, 4026270), (40, 3221016), (48, 2684180), (60, 2147344), (64, 2013135), (80, 1610508), (96, 1342090), (103, 1250880), (120, 1073672), (160, 805254), (192, 671045), (206, 625440), (240, 536836), (309, 416960), (320, 402627), (412, 312720), (480, 268418), (515, 250176), (618, 208480), (824, 156360), (960, 134209), (1030, 125088), (1236, 104240), (1303, 98880), (1545, 83392), (1648, 78180), (2060, 62544), (2472, 52120), (2606, 49440), (3090, 41696), (3296, 39090), (3909, 32960), (4120, 31272), (4944, 26060), (5212, 24720), (6180, 20848), (6515, 19776), (6592, 19545), (7818, 16480), (8240, 15636), (9888, 13030), (10424, 12360)]