81929484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 258672960

約数和(自身を除く): 176743476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 89, 91, 117, 126, 156, 178, 182, 234, 252, 267, 273, 281, 356, 364, 468, 534, 546, 562, 623, 801, 819, 843, 1068, 1092, 1124, 1157, 1246, 1602, 1638, 1686, 1869, 1967, 2314, 2492, 2529, 3204, 3276, 3372, 3471, 3653, 3738, 3934, 4628, 5058, 5607, 5901, 6942, 7306, 7476, 7868, 8099, 10116, 10413, 10959, 11214, 11802, 13884, 14612, 16198, 17703, 20826, 21918, 22428, 23604, 24297, 25009, 25571, 32396, 32877, 35406, 41652, 43836, 48594, 50018, 51142, 65754, 70812, 72891, 75027, 76713, 97188, 100036, 102284, 131508, 145782, 150054, 153426, 175063, 225081, 230139, 291564, 300108, 306852, 325117, 350126, 450162, 460278, 525189, 650234, 700252, 900324, 920556, 975351, 1050378, 1300468, 1575567, 1950702, 2100756, 2275819, 2926053, 3151134, 3901404, 4551638, 5852106, 6302268, 6827457, 9103276, 11704212, 13654914, 20482371, 27309828, 40964742, 81929484]

約数ペア:

[(1, 81929484), (2, 40964742), (3, 27309828), (4, 20482371), (6, 13654914), (7, 11704212), (9, 9103276), (12, 6827457), (13, 6302268), (14, 5852106), (18, 4551638), (21, 3901404), (26, 3151134), (28, 2926053), (36, 2275819), (39, 2100756), (42, 1950702), (52, 1575567), (63, 1300468), (78, 1050378), (84, 975351), (89, 920556), (91, 900324), (117, 700252), (126, 650234), (156, 525189), (178, 460278), (182, 450162), (234, 350126), (252, 325117), (267, 306852), (273, 300108), (281, 291564), (356, 230139), (364, 225081), (468, 175063), (534, 153426), (546, 150054), (562, 145782), (623, 131508), (801, 102284), (819, 100036), (843, 97188), (1068, 76713), (1092, 75027), (1124, 72891), (1157, 70812), (1246, 65754), (1602, 51142), (1638, 50018), (1686, 48594), (1869, 43836), (1967, 41652), (2314, 35406), (2492, 32877), (2529, 32396), (3204, 25571), (3276, 25009), (3372, 24297), (3471, 23604), (3653, 22428), (3738, 21918), (3934, 20826), (4628, 17703), (5058, 16198), (5607, 14612), (5901, 13884), (6942, 11802), (7306, 11214), (7476, 10959), (7868, 10413), (8099, 10116)]