28865520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:919

約数の個数: 120

約数和(自身を含む): 99118656

約数和(自身を除く): 70253136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 180, 188, 235, 240, 282, 360, 376, 423, 470, 564, 705, 720, 752, 846, 853, 940, 1128, 1410, 1692, 1706, 1880, 2115, 2256, 2559, 2820, 3384, 3412, 3760, 4230, 4265, 5118, 5640, 6768, 6824, 7677, 8460, 8530, 10236, 11280, 12795, 13648, 15354, 16920, 17060, 20472, 25590, 30708, 33840, 34120, 38385, 40091, 40944, 51180, 61416, 68240, 76770, 80182, 102360, 120273, 122832, 153540, 160364, 200455, 204720, 240546, 307080, 320728, 360819, 400910, 481092, 601365, 614160, 641456, 721638, 801820, 962184, 1202730, 1443276, 1603640, 1804095, 1924368, 2405460, 2886552, 3207280, 3608190, 4810920, 5773104, 7216380, 9621840, 14432760, 28865520]

約数ペア:

[(1, 28865520), (2, 14432760), (3, 9621840), (4, 7216380), (5, 5773104), (6, 4810920), (8, 3608190), (9, 3207280), (10, 2886552), (12, 2405460), (15, 1924368), (16, 1804095), (18, 1603640), (20, 1443276), (24, 1202730), (30, 962184), (36, 801820), (40, 721638), (45, 641456), (47, 614160), (48, 601365), (60, 481092), (72, 400910), (80, 360819), (90, 320728), (94, 307080), (120, 240546), (141, 204720), (144, 200455), (180, 160364), (188, 153540), (235, 122832), (240, 120273), (282, 102360), (360, 80182), (376, 76770), (423, 68240), (470, 61416), (564, 51180), (705, 40944), (720, 40091), (752, 38385), (846, 34120), (853, 33840), (940, 30708), (1128, 25590), (1410, 20472), (1692, 17060), (1706, 16920), (1880, 15354), (2115, 13648), (2256, 12795), (2559, 11280), (2820, 10236), (3384, 8530), (3412, 8460), (3760, 7677), (4230, 6824), (4265, 6768), (5118, 5640)]