467840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 64

約数和(自身を含む): 1211760

約数和(自身を除く): 743920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 136, 160, 170, 172, 215, 272, 320, 340, 344, 430, 544, 640, 680, 688, 731, 860, 1088, 1360, 1376, 1462, 1720, 2176, 2720, 2752, 2924, 3440, 3655, 5440, 5504, 5848, 6880, 7310, 10880, 11696, 13760, 14620, 23392, 27520, 29240, 46784, 58480, 93568, 116960, 233920, 467840]

約数ペア:

[(1, 467840), (2, 233920), (4, 116960), (5, 93568), (8, 58480), (10, 46784), (16, 29240), (17, 27520), (20, 23392), (32, 14620), (34, 13760), (40, 11696), (43, 10880), (64, 7310), (68, 6880), (80, 5848), (85, 5504), (86, 5440), (128, 3655), (136, 3440), (160, 2924), (170, 2752), (172, 2720), (215, 2176), (272, 1720), (320, 1462), (340, 1376), (344, 1360), (430, 1088), (544, 860), (640, 731), (680, 688)]