84640960

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15559}}^1$

素因数の和:15593

約数の個数: 56

約数和(自身を含む): 213420960

約数和(自身を除く): 128780000

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, 15559, 31118, 62236, 77795, 124472, 155590, 248944, 264503, 311180, 497888, 529006, 622360, 995776, 1058012, 1244720, 1322515, 2116024, 2489440, 2645030, 4232048, 4978880, 5290060, 8464096, 10580120, 16928192, 21160240, 42320480, 84640960]

約数ペア:

[(1, 84640960), (2, 42320480), (4, 21160240), (5, 16928192), (8, 10580120), (10, 8464096), (16, 5290060), (17, 4978880), (20, 4232048), (32, 2645030), (34, 2489440), (40, 2116024), (64, 1322515), (68, 1244720), (80, 1058012), (85, 995776), (136, 622360), (160, 529006), (170, 497888), (272, 311180), (320, 264503), (340, 248944), (544, 155590), (680, 124472), (1088, 77795), (1360, 62236), (2720, 31118), (5440, 15559)]