27883260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 92252160

約数和(自身を除く): 64368900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 263, 279, 285, 310, 342, 372, 380, 465, 526, 558, 570, 589, 620, 684, 789, 855, 930, 1052, 1116, 1140, 1178, 1315, 1395, 1578, 1710, 1767, 1860, 2356, 2367, 2630, 2790, 2945, 3156, 3420, 3534, 3945, 4734, 4997, 5260, 5301, 5580, 5890, 7068, 7890, 8153, 8835, 9468, 9994, 10602, 11780, 11835, 14991, 15780, 16306, 17670, 19988, 21204, 23670, 24459, 24985, 26505, 29982, 32612, 35340, 40765, 44973, 47340, 48918, 49970, 53010, 59964, 73377, 74955, 81530, 89946, 97836, 99940, 106020, 122295, 146754, 149910, 154907, 163060, 179892, 224865, 244590, 293508, 299820, 309814, 366885, 449730, 464721, 489180, 619628, 733770, 774535, 899460, 929442, 1394163, 1467540, 1549070, 1858884, 2323605, 2788326, 3098140, 4647210, 5576652, 6970815, 9294420, 13941630, 27883260]

約数ペア:

[(1, 27883260), (2, 13941630), (3, 9294420), (4, 6970815), (5, 5576652), (6, 4647210), (9, 3098140), (10, 2788326), (12, 2323605), (15, 1858884), (18, 1549070), (19, 1467540), (20, 1394163), (30, 929442), (31, 899460), (36, 774535), (38, 733770), (45, 619628), (57, 489180), (60, 464721), (62, 449730), (76, 366885), (90, 309814), (93, 299820), (95, 293508), (114, 244590), (124, 224865), (155, 179892), (171, 163060), (180, 154907), (186, 149910), (190, 146754), (228, 122295), (263, 106020), (279, 99940), (285, 97836), (310, 89946), (342, 81530), (372, 74955), (380, 73377), (465, 59964), (526, 53010), (558, 49970), (570, 48918), (589, 47340), (620, 44973), (684, 40765), (789, 35340), (855, 32612), (930, 29982), (1052, 26505), (1116, 24985), (1140, 24459), (1178, 23670), (1315, 21204), (1395, 19988), (1578, 17670), (1710, 16306), (1767, 15780), (1860, 14991), (2356, 11835), (2367, 11780), (2630, 10602), (2790, 9994), (2945, 9468), (3156, 8835), (3420, 8153), (3534, 7890), (3945, 7068), (4734, 5890), (4997, 5580), (5260, 5301)]