145405760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26729}}^1$

素因数の和:26763

約数の個数: 56

約数和(自身を含む): 366628680

約数和(自身を除く): 221222920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 26729, 53458, 106916, 133645, 213832, 267290, 427664, 454393, 534580, 855328, 908786, 1069160, 1710656, 1817572, 2138320, 2271965, 3635144, 4276640, 4543930, 7270288, 8553280, 9087860, 14540576, 18175720, 29081152, 36351440, 72702880, 145405760]

約数ペア:

[(1, 145405760), (2, 72702880), (4, 36351440), (5, 29081152), (8, 18175720), (10, 14540576), (16, 9087860), (17, 8553280), (20, 7270288), (32, 4543930), (34, 4276640), (40, 3635144), (64, 2271965), (68, 2138320), (80, 1817572), (85, 1710656), (136, 1069160), (160, 908786), (170, 855328), (272, 534580), (320, 454393), (340, 427664), (544, 267290), (680, 213832), (1088, 133645), (1360, 106916), (2720, 53458), (5440, 26729)]