280485720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15277}}^1$

素因数の和:15314

約数の個数: 128

約数和(自身を含む): 990014400

約数和(自身を除く): 709528680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1080, 1224, 1530, 1836, 2040, 2295, 3060, 3672, 4590, 6120, 9180, 15277, 18360, 30554, 45831, 61108, 76385, 91662, 122216, 137493, 152770, 183324, 229155, 259709, 274986, 305540, 366648, 412479, 458310, 519418, 549972, 611080, 687465, 779127, 824958, 916620, 1038836, 1099944, 1298545, 1374930, 1558254, 1649916, 1833240, 2062395, 2077672, 2337381, 2597090, 2749860, 3116508, 3299832, 3895635, 4124790, 4674762, 5194180, 5499720, 6233016, 7012143, 7791270, 8249580, 9349524, 10388360, 11686905, 14024286, 15582540, 16499160, 18699048, 23373810, 28048572, 31165080, 35060715, 46747620, 56097144, 70121430, 93495240, 140242860, 280485720]

約数ペア:

[(1, 280485720), (2, 140242860), (3, 93495240), (4, 70121430), (5, 56097144), (6, 46747620), (8, 35060715), (9, 31165080), (10, 28048572), (12, 23373810), (15, 18699048), (17, 16499160), (18, 15582540), (20, 14024286), (24, 11686905), (27, 10388360), (30, 9349524), (34, 8249580), (36, 7791270), (40, 7012143), (45, 6233016), (51, 5499720), (54, 5194180), (60, 4674762), (68, 4124790), (72, 3895635), (85, 3299832), (90, 3116508), (102, 2749860), (108, 2597090), (120, 2337381), (135, 2077672), (136, 2062395), (153, 1833240), (170, 1649916), (180, 1558254), (204, 1374930), (216, 1298545), (255, 1099944), (270, 1038836), (306, 916620), (340, 824958), (360, 779127), (408, 687465), (459, 611080), (510, 549972), (540, 519418), (612, 458310), (680, 412479), (765, 366648), (918, 305540), (1020, 274986), (1080, 259709), (1224, 229155), (1530, 183324), (1836, 152770), (2040, 137493), (2295, 122216), (3060, 91662), (3672, 76385), (4590, 61108), (6120, 45831), (9180, 30554), (15277, 18360)]