160756180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 368928000

約数和(自身を除く): 208171820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 199, 239, 260, 338, 398, 478, 676, 796, 845, 956, 995, 1195, 1690, 1990, 2390, 2587, 3107, 3380, 3980, 4780, 5174, 6214, 10348, 12428, 12935, 15535, 25870, 31070, 33631, 40391, 47561, 51740, 62140, 67262, 80782, 95122, 134524, 161564, 168155, 190244, 201955, 237805, 336310, 403910, 475610, 618293, 672620, 807820, 951220, 1236586, 2473172, 3091465, 6182930, 8037809, 12365860, 16075618, 32151236, 40189045, 80378090, 160756180]

約数ペア:

[(1, 160756180), (2, 80378090), (4, 40189045), (5, 32151236), (10, 16075618), (13, 12365860), (20, 8037809), (26, 6182930), (52, 3091465), (65, 2473172), (130, 1236586), (169, 951220), (199, 807820), (239, 672620), (260, 618293), (338, 475610), (398, 403910), (478, 336310), (676, 237805), (796, 201955), (845, 190244), (956, 168155), (995, 161564), (1195, 134524), (1690, 95122), (1990, 80782), (2390, 67262), (2587, 62140), (3107, 51740), (3380, 47561), (3980, 40391), (4780, 33631), (5174, 31070), (6214, 25870), (10348, 15535), (12428, 12935)]