18226880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 112

約数和(自身を含む): 50718720

約数和(自身を除く): 32491840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 103, 112, 140, 158, 160, 206, 224, 280, 316, 320, 395, 412, 448, 515, 553, 560, 632, 721, 790, 824, 1030, 1106, 1120, 1264, 1442, 1580, 1648, 2060, 2212, 2240, 2528, 2765, 2884, 3160, 3296, 3605, 4120, 4424, 5056, 5530, 5768, 6320, 6592, 7210, 8137, 8240, 8848, 11060, 11536, 12640, 14420, 16274, 16480, 17696, 22120, 23072, 25280, 28840, 32548, 32960, 35392, 40685, 44240, 46144, 56959, 57680, 65096, 81370, 88480, 113918, 115360, 130192, 162740, 176960, 227836, 230720, 260384, 284795, 325480, 455672, 520768, 569590, 650960, 911344, 1139180, 1301920, 1822688, 2278360, 2603840, 3645376, 4556720, 9113440, 18226880]

約数ペア:

[(1, 18226880), (2, 9113440), (4, 4556720), (5, 3645376), (7, 2603840), (8, 2278360), (10, 1822688), (14, 1301920), (16, 1139180), (20, 911344), (28, 650960), (32, 569590), (35, 520768), (40, 455672), (56, 325480), (64, 284795), (70, 260384), (79, 230720), (80, 227836), (103, 176960), (112, 162740), (140, 130192), (158, 115360), (160, 113918), (206, 88480), (224, 81370), (280, 65096), (316, 57680), (320, 56959), (395, 46144), (412, 44240), (448, 40685), (515, 35392), (553, 32960), (560, 32548), (632, 28840), (721, 25280), (790, 23072), (824, 22120), (1030, 17696), (1106, 16480), (1120, 16274), (1264, 14420), (1442, 12640), (1580, 11536), (1648, 11060), (2060, 8848), (2212, 8240), (2240, 8137), (2528, 7210), (2765, 6592), (2884, 6320), (3160, 5768), (3296, 5530), (3605, 5056), (4120, 4424)]