181961568

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:365

約数の個数: 144

約数和(自身を含む): 542505600

約数和(自身を除く): 360544032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 89, 93, 96, 124, 144, 178, 186, 229, 248, 267, 279, 288, 356, 372, 458, 496, 534, 558, 687, 712, 744, 801, 916, 992, 1068, 1116, 1374, 1424, 1488, 1602, 1832, 2061, 2136, 2232, 2748, 2759, 2848, 2976, 3204, 3664, 4122, 4272, 4464, 5496, 5518, 6408, 7099, 7328, 8244, 8277, 8544, 8928, 10992, 11036, 12816, 14198, 16488, 16554, 20381, 21297, 21984, 22072, 24831, 25632, 28396, 32976, 33108, 40762, 42594, 44144, 49662, 56792, 61143, 63891, 65952, 66216, 81524, 85188, 88288, 99324, 113584, 122286, 127782, 132432, 163048, 170376, 183429, 198648, 227168, 244572, 255564, 264864, 326096, 340752, 366858, 397296, 489144, 511128, 631811, 652192, 681504, 733716, 794592, 978288, 1022256, 1263622, 1467432, 1895433, 1956576, 2044512, 2527244, 2934864, 3790866, 5054488, 5686299, 5869728, 7581732, 10108976, 11372598, 15163464, 20217952, 22745196, 30326928, 45490392, 60653856, 90980784, 181961568]

約数ペア:

[(1, 181961568), (2, 90980784), (3, 60653856), (4, 45490392), (6, 30326928), (8, 22745196), (9, 20217952), (12, 15163464), (16, 11372598), (18, 10108976), (24, 7581732), (31, 5869728), (32, 5686299), (36, 5054488), (48, 3790866), (62, 2934864), (72, 2527244), (89, 2044512), (93, 1956576), (96, 1895433), (124, 1467432), (144, 1263622), (178, 1022256), (186, 978288), (229, 794592), (248, 733716), (267, 681504), (279, 652192), (288, 631811), (356, 511128), (372, 489144), (458, 397296), (496, 366858), (534, 340752), (558, 326096), (687, 264864), (712, 255564), (744, 244572), (801, 227168), (916, 198648), (992, 183429), (1068, 170376), (1116, 163048), (1374, 132432), (1424, 127782), (1488, 122286), (1602, 113584), (1832, 99324), (2061, 88288), (2136, 85188), (2232, 81524), (2748, 66216), (2759, 65952), (2848, 63891), (2976, 61143), (3204, 56792), (3664, 49662), (4122, 44144), (4272, 42594), (4464, 40762), (5496, 33108), (5518, 32976), (6408, 28396), (7099, 25632), (7328, 24831), (8244, 22072), (8277, 21984), (8544, 21297), (8928, 20381), (10992, 16554), (11036, 16488), (12816, 14198)]