18486720

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{131}}^1$

素因数の和:168

約数の個数: 252

約数和(自身を含む): 74532744

約数和(自身を除く): 56046024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 131, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 262, 280, 288, 294, 315, 320, 336, 360, 392, 393, 420, 441, 448, 480, 490, 504, 524, 560, 576, 588, 630, 655, 672, 720, 735, 784, 786, 840, 882, 917, 960, 980, 1008, 1048, 1120, 1176, 1179, 1260, 1310, 1344, 1440, 1470, 1568, 1572, 1680, 1764, 1834, 1960, 1965, 2016, 2096, 2205, 2240, 2352, 2358, 2520, 2620, 2751, 2880, 2940, 3136, 3144, 3360, 3528, 3668, 3920, 3930, 4032, 4192, 4410, 4585, 4704, 4716, 5040, 5240, 5502, 5880, 5895, 6288, 6419, 6720, 7056, 7336, 7840, 7860, 8253, 8384, 8820, 9170, 9408, 9432, 10080, 10480, 11004, 11760, 11790, 12576, 12838, 13755, 14112, 14672, 15680, 15720, 16506, 17640, 18340, 18864, 19257, 20160, 20960, 22008, 23520, 23580, 25152, 25676, 27510, 28224, 29344, 31440, 32095, 33012, 35280, 36680, 37728, 38514, 41265, 41920, 44016, 47040, 47160, 51352, 55020, 57771, 58688, 62880, 64190, 66024, 70560, 73360, 75456, 77028, 82530, 88032, 94320, 96285, 102704, 110040, 115542, 125760, 128380, 132048, 141120, 146720, 154056, 165060, 176064, 188640, 192570, 205408, 220080, 231084, 256760, 264096, 288855, 293440, 308112, 330120, 377280, 385140, 410816, 440160, 462168, 513520, 528192, 577710, 616224, 660240, 770280, 880320, 924336, 1027040, 1155420, 1232448, 1320480, 1540560, 1848672, 2054080, 2310840, 2640960, 3081120, 3697344, 4621680, 6162240, 9243360, 18486720]

約数ペア:

[(1, 18486720), (2, 9243360), (3, 6162240), (4, 4621680), (5, 3697344), (6, 3081120), (7, 2640960), (8, 2310840), (9, 2054080), (10, 1848672), (12, 1540560), (14, 1320480), (15, 1232448), (16, 1155420), (18, 1027040), (20, 924336), (21, 880320), (24, 770280), (28, 660240), (30, 616224), (32, 577710), (35, 528192), (36, 513520), (40, 462168), (42, 440160), (45, 410816), (48, 385140), (49, 377280), (56, 330120), (60, 308112), (63, 293440), (64, 288855), (70, 264096), (72, 256760), (80, 231084), (84, 220080), (90, 205408), (96, 192570), (98, 188640), (105, 176064), (112, 165060), (120, 154056), (126, 146720), (131, 141120), (140, 132048), (144, 128380), (147, 125760), (160, 115542), (168, 110040), (180, 102704), (192, 96285), (196, 94320), (210, 88032), (224, 82530), (240, 77028), (245, 75456), (252, 73360), (262, 70560), (280, 66024), (288, 64190), (294, 62880), (315, 58688), (320, 57771), (336, 55020), (360, 51352), (392, 47160), (393, 47040), (420, 44016), (441, 41920), (448, 41265), (480, 38514), (490, 37728), (504, 36680), (524, 35280), (560, 33012), (576, 32095), (588, 31440), (630, 29344), (655, 28224), (672, 27510), (720, 25676), (735, 25152), (784, 23580), (786, 23520), (840, 22008), (882, 20960), (917, 20160), (960, 19257), (980, 18864), (1008, 18340), (1048, 17640), (1120, 16506), (1176, 15720), (1179, 15680), (1260, 14672), (1310, 14112), (1344, 13755), (1440, 12838), (1470, 12576), (1568, 11790), (1572, 11760), (1680, 11004), (1764, 10480), (1834, 10080), (1960, 9432), (1965, 9408), (2016, 9170), (2096, 8820), (2205, 8384), (2240, 8253), (2352, 7860), (2358, 7840), (2520, 7336), (2620, 7056), (2751, 6720), (2880, 6419), (2940, 6288), (3136, 5895), (3144, 5880), (3360, 5502), (3528, 5240), (3668, 5040), (3920, 4716), (3930, 4704), (4032, 4585), (4192, 4410)]