18055440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:678

約数の個数: 160

約数和(自身を含む): 67079040

約数和(自身を除く): 49023600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 643, 702, 720, 780, 936, 1040, 1080, 1170, 1286, 1404, 1560, 1755, 1872, 1929, 2160, 2340, 2572, 2808, 3120, 3215, 3510, 3858, 4680, 5144, 5616, 5787, 6430, 7020, 7716, 8359, 9360, 9645, 10288, 11574, 12860, 14040, 15432, 16718, 17361, 19290, 23148, 25077, 25720, 28080, 28935, 30864, 33436, 34722, 38580, 41795, 46296, 50154, 51440, 57870, 66872, 69444, 75231, 77160, 83590, 86805, 92592, 100308, 115740, 125385, 133744, 138888, 150462, 154320, 167180, 173610, 200616, 225693, 231480, 250770, 277776, 300924, 334360, 347220, 376155, 401232, 451386, 462960, 501540, 601848, 668720, 694440, 752310, 902772, 1003080, 1128465, 1203696, 1388880, 1504620, 1805544, 2006160, 2256930, 3009240, 3611088, 4513860, 6018480, 9027720, 18055440]

約数ペア:

[(1, 18055440), (2, 9027720), (3, 6018480), (4, 4513860), (5, 3611088), (6, 3009240), (8, 2256930), (9, 2006160), (10, 1805544), (12, 1504620), (13, 1388880), (15, 1203696), (16, 1128465), (18, 1003080), (20, 902772), (24, 752310), (26, 694440), (27, 668720), (30, 601848), (36, 501540), (39, 462960), (40, 451386), (45, 401232), (48, 376155), (52, 347220), (54, 334360), (60, 300924), (65, 277776), (72, 250770), (78, 231480), (80, 225693), (90, 200616), (104, 173610), (108, 167180), (117, 154320), (120, 150462), (130, 138888), (135, 133744), (144, 125385), (156, 115740), (180, 100308), (195, 92592), (208, 86805), (216, 83590), (234, 77160), (240, 75231), (260, 69444), (270, 66872), (312, 57870), (351, 51440), (360, 50154), (390, 46296), (432, 41795), (468, 38580), (520, 34722), (540, 33436), (585, 30864), (624, 28935), (643, 28080), (702, 25720), (720, 25077), (780, 23148), (936, 19290), (1040, 17361), (1080, 16718), (1170, 15432), (1286, 14040), (1404, 12860), (1560, 11574), (1755, 10288), (1872, 9645), (1929, 9360), (2160, 8359), (2340, 7716), (2572, 7020), (2808, 6430), (3120, 5787), (3215, 5616), (3510, 5144), (3858, 4680)]