820102176

素因数分解:

$2^5\times 3^2\times {\mathrm{571}}^1\times {\mathrm{4987}}^1$

素因数の和:5574

約数の個数: 72

約数和(自身を含む): 2336718384

約数和(自身を除く): 1516616208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 571, 1142, 1713, 2284, 3426, 4568, 4987, 5139, 6852, 9136, 9974, 10278, 13704, 14961, 18272, 19948, 20556, 27408, 29922, 39896, 41112, 44883, 54816, 59844, 79792, 82224, 89766, 119688, 159584, 164448, 179532, 239376, 359064, 478752, 718128, 1436256, 2847577, 5695154, 8542731, 11390308, 17085462, 22780616, 25628193, 34170924, 45561232, 51256386, 68341848, 91122464, 102512772, 136683696, 205025544, 273367392, 410051088, 820102176]

約数ペア:

[(1, 820102176), (2, 410051088), (3, 273367392), (4, 205025544), (6, 136683696), (8, 102512772), (9, 91122464), (12, 68341848), (16, 51256386), (18, 45561232), (24, 34170924), (32, 25628193), (36, 22780616), (48, 17085462), (72, 11390308), (96, 8542731), (144, 5695154), (288, 2847577), (571, 1436256), (1142, 718128), (1713, 478752), (2284, 359064), (3426, 239376), (4568, 179532), (4987, 164448), (5139, 159584), (6852, 119688), (9136, 89766), (9974, 82224), (10278, 79792), (13704, 59844), (14961, 54816), (18272, 44883), (19948, 41112), (20556, 39896), (27408, 29922)]