81249480

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:682

約数の個数: 192

約数和(自身を含む): 295364160

約数和(自身を除く): 214114680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 243, 260, 270, 312, 324, 351, 360, 390, 405, 468, 486, 520, 540, 585, 643, 648, 702, 780, 810, 936, 972, 1053, 1080, 1170, 1215, 1286, 1404, 1560, 1620, 1755, 1929, 1944, 2106, 2340, 2430, 2572, 2808, 3159, 3215, 3240, 3510, 3858, 4212, 4680, 4860, 5144, 5265, 5787, 6318, 6430, 7020, 7716, 8359, 8424, 9645, 9720, 10530, 11574, 12636, 12860, 14040, 15432, 15795, 16718, 17361, 19290, 21060, 23148, 25077, 25272, 25720, 28935, 31590, 33436, 34722, 38580, 41795, 42120, 46296, 50154, 52083, 57870, 63180, 66872, 69444, 75231, 77160, 83590, 86805, 100308, 104166, 115740, 125385, 126360, 138888, 150462, 156249, 167180, 173610, 200616, 208332, 225693, 231480, 250770, 260415, 300924, 312498, 334360, 347220, 376155, 416664, 451386, 501540, 520830, 601848, 624996, 677079, 694440, 752310, 781245, 902772, 1003080, 1041660, 1128465, 1249992, 1354158, 1504620, 1562490, 1805544, 2031237, 2083320, 2256930, 2708316, 3009240, 3124980, 3385395, 4062474, 4513860, 5416632, 6249960, 6770790, 8124948, 9027720, 10156185, 13541580, 16249896, 20312370, 27083160, 40624740, 81249480]

約数ペア:

[(1, 81249480), (2, 40624740), (3, 27083160), (4, 20312370), (5, 16249896), (6, 13541580), (8, 10156185), (9, 9027720), (10, 8124948), (12, 6770790), (13, 6249960), (15, 5416632), (18, 4513860), (20, 4062474), (24, 3385395), (26, 3124980), (27, 3009240), (30, 2708316), (36, 2256930), (39, 2083320), (40, 2031237), (45, 1805544), (52, 1562490), (54, 1504620), (60, 1354158), (65, 1249992), (72, 1128465), (78, 1041660), (81, 1003080), (90, 902772), (104, 781245), (108, 752310), (117, 694440), (120, 677079), (130, 624996), (135, 601848), (156, 520830), (162, 501540), (180, 451386), (195, 416664), (216, 376155), (234, 347220), (243, 334360), (260, 312498), (270, 300924), (312, 260415), (324, 250770), (351, 231480), (360, 225693), (390, 208332), (405, 200616), (468, 173610), (486, 167180), (520, 156249), (540, 150462), (585, 138888), (643, 126360), (648, 125385), (702, 115740), (780, 104166), (810, 100308), (936, 86805), (972, 83590), (1053, 77160), (1080, 75231), (1170, 69444), (1215, 66872), (1286, 63180), (1404, 57870), (1560, 52083), (1620, 50154), (1755, 46296), (1929, 42120), (1944, 41795), (2106, 38580), (2340, 34722), (2430, 33436), (2572, 31590), (2808, 28935), (3159, 25720), (3215, 25272), (3240, 25077), (3510, 23148), (3858, 21060), (4212, 19290), (4680, 17361), (4860, 16718), (5144, 15795), (5265, 15432), (5787, 14040), (6318, 12860), (6430, 12636), (7020, 11574), (7716, 10530), (8359, 9720), (8424, 9645)]