72731840

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1361}}^1$

素因数の和:1545

約数の個数: 56

約数和(自身を含む): 174357792

約数和(自身を除く): 101625952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 668, 835, 1336, 1361, 1670, 2672, 2722, 3340, 5344, 5444, 6680, 6805, 10688, 10888, 13360, 13610, 21776, 26720, 27220, 43552, 53440, 54440, 87104, 108880, 217760, 227287, 435520, 454574, 909148, 1136435, 1818296, 2272870, 3636592, 4545740, 7273184, 9091480, 14546368, 18182960, 36365920, 72731840]

約数ペア:

[(1, 72731840), (2, 36365920), (4, 18182960), (5, 14546368), (8, 9091480), (10, 7273184), (16, 4545740), (20, 3636592), (32, 2272870), (40, 1818296), (64, 1136435), (80, 909148), (160, 454574), (167, 435520), (320, 227287), (334, 217760), (668, 108880), (835, 87104), (1336, 54440), (1361, 53440), (1670, 43552), (2672, 27220), (2722, 26720), (3340, 21776), (5344, 13610), (5444, 13360), (6680, 10888), (6805, 10688)]