1279232320

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2081}}^1$

素因数の和:2228

約数の個数: 112

約数和(自身を含む): 3255465168

約数和(自身を除く): 1976232848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 113, 136, 160, 170, 226, 272, 320, 340, 452, 544, 565, 680, 904, 1088, 1130, 1360, 1808, 1921, 2081, 2260, 2720, 3616, 3842, 4162, 4520, 5440, 7232, 7684, 8324, 9040, 9605, 10405, 15368, 16648, 18080, 19210, 20810, 30736, 33296, 35377, 36160, 38420, 41620, 61472, 66592, 70754, 76840, 83240, 122944, 133184, 141508, 153680, 166480, 176885, 235153, 283016, 307360, 332960, 353770, 470306, 566032, 614720, 665920, 707540, 940612, 1132064, 1175765, 1415080, 1881224, 2264128, 2351530, 2830160, 3762448, 3997601, 4703060, 5660320, 7524896, 7995202, 9406120, 11320640, 15049792, 15990404, 18812240, 19988005, 31980808, 37624480, 39976010, 63961616, 75248960, 79952020, 127923232, 159904040, 255846464, 319808080, 639616160, 1279232320]

約数ペア:

[(1, 1279232320), (2, 639616160), (4, 319808080), (5, 255846464), (8, 159904040), (10, 127923232), (16, 79952020), (17, 75248960), (20, 63961616), (32, 39976010), (34, 37624480), (40, 31980808), (64, 19988005), (68, 18812240), (80, 15990404), (85, 15049792), (113, 11320640), (136, 9406120), (160, 7995202), (170, 7524896), (226, 5660320), (272, 4703060), (320, 3997601), (340, 3762448), (452, 2830160), (544, 2351530), (565, 2264128), (680, 1881224), (904, 1415080), (1088, 1175765), (1130, 1132064), (1360, 940612), (1808, 707540), (1921, 665920), (2081, 614720), (2260, 566032), (2720, 470306), (3616, 353770), (3842, 332960), (4162, 307360), (4520, 283016), (5440, 235153), (7232, 176885), (7684, 166480), (8324, 153680), (9040, 141508), (9605, 133184), (10405, 122944), (15368, 83240), (16648, 76840), (18080, 70754), (19210, 66592), (20810, 61472), (30736, 41620), (33296, 38420), (35377, 36160)]