160912640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17959}}^1$

素因数の和:17987

約数の個数: 72

約数和(自身を含む): 440522880

約数和(自身を除く): 279610240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 17959, 35918, 71836, 89795, 125713, 143672, 179590, 251426, 287344, 359180, 502852, 574688, 628565, 718360, 1005704, 1149376, 1257130, 1436720, 2011408, 2298752, 2514260, 2873440, 4022816, 4597504, 5028520, 5746880, 8045632, 10057040, 11493760, 16091264, 20114080, 22987520, 32182528, 40228160, 80456320, 160912640]

約数ペア:

[(1, 160912640), (2, 80456320), (4, 40228160), (5, 32182528), (7, 22987520), (8, 20114080), (10, 16091264), (14, 11493760), (16, 10057040), (20, 8045632), (28, 5746880), (32, 5028520), (35, 4597504), (40, 4022816), (56, 2873440), (64, 2514260), (70, 2298752), (80, 2011408), (112, 1436720), (128, 1257130), (140, 1149376), (160, 1005704), (224, 718360), (256, 628565), (280, 574688), (320, 502852), (448, 359180), (560, 287344), (640, 251426), (896, 179590), (1120, 143672), (1280, 125713), (1792, 89795), (2240, 71836), (4480, 35918), (8960, 17959)]