18774720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 224

約数和(自身を含む): 69128640

約数和(自身を除く): 50353920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 53, 54, 60, 64, 72, 80, 82, 90, 96, 106, 108, 120, 123, 135, 144, 159, 160, 164, 180, 192, 205, 212, 216, 240, 246, 265, 270, 288, 318, 320, 328, 360, 369, 410, 424, 432, 477, 480, 492, 530, 540, 576, 615, 636, 656, 720, 738, 795, 820, 848, 864, 954, 960, 984, 1060, 1080, 1107, 1230, 1272, 1312, 1431, 1440, 1476, 1590, 1640, 1696, 1728, 1845, 1908, 1968, 2120, 2160, 2173, 2214, 2385, 2460, 2544, 2624, 2862, 2880, 2952, 3180, 3280, 3392, 3690, 3816, 3936, 4240, 4320, 4346, 4428, 4770, 4920, 5088, 5535, 5724, 5904, 6360, 6519, 6560, 7155, 7380, 7632, 7872, 8480, 8640, 8692, 8856, 9540, 9840, 10176, 10865, 11070, 11448, 11808, 12720, 13038, 13120, 14310, 14760, 15264, 16960, 17384, 17712, 19080, 19557, 19680, 21730, 22140, 22896, 23616, 25440, 26076, 28620, 29520, 30528, 32595, 34768, 35424, 38160, 39114, 39360, 43460, 44280, 45792, 50880, 52152, 57240, 58671, 59040, 65190, 69536, 70848, 76320, 78228, 86920, 88560, 91584, 97785, 104304, 114480, 117342, 118080, 130380, 139072, 152640, 156456, 173840, 177120, 195570, 208608, 228960, 234684, 260760, 293355, 312912, 347680, 354240, 391140, 417216, 457920, 469368, 521520, 586710, 625824, 695360, 782280, 938736, 1043040, 1173420, 1251648, 1564560, 1877472, 2086080, 2346840, 3129120, 3754944, 4693680, 6258240, 9387360, 18774720]

約数ペア:

[(1, 18774720), (2, 9387360), (3, 6258240), (4, 4693680), (5, 3754944), (6, 3129120), (8, 2346840), (9, 2086080), (10, 1877472), (12, 1564560), (15, 1251648), (16, 1173420), (18, 1043040), (20, 938736), (24, 782280), (27, 695360), (30, 625824), (32, 586710), (36, 521520), (40, 469368), (41, 457920), (45, 417216), (48, 391140), (53, 354240), (54, 347680), (60, 312912), (64, 293355), (72, 260760), (80, 234684), (82, 228960), (90, 208608), (96, 195570), (106, 177120), (108, 173840), (120, 156456), (123, 152640), (135, 139072), (144, 130380), (159, 118080), (160, 117342), (164, 114480), (180, 104304), (192, 97785), (205, 91584), (212, 88560), (216, 86920), (240, 78228), (246, 76320), (265, 70848), (270, 69536), (288, 65190), (318, 59040), (320, 58671), (328, 57240), (360, 52152), (369, 50880), (410, 45792), (424, 44280), (432, 43460), (477, 39360), (480, 39114), (492, 38160), (530, 35424), (540, 34768), (576, 32595), (615, 30528), (636, 29520), (656, 28620), (720, 26076), (738, 25440), (795, 23616), (820, 22896), (848, 22140), (864, 21730), (954, 19680), (960, 19557), (984, 19080), (1060, 17712), (1080, 17384), (1107, 16960), (1230, 15264), (1272, 14760), (1312, 14310), (1431, 13120), (1440, 13038), (1476, 12720), (1590, 11808), (1640, 11448), (1696, 11070), (1728, 10865), (1845, 10176), (1908, 9840), (1968, 9540), (2120, 8856), (2160, 8692), (2173, 8640), (2214, 8480), (2385, 7872), (2460, 7632), (2544, 7380), (2624, 7155), (2862, 6560), (2880, 6519), (2952, 6360), (3180, 5904), (3280, 5724), (3392, 5535), (3690, 5088), (3816, 4920), (3936, 4770), (4240, 4428), (4320, 4346)]