18165600

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{29}}^2$

素因数の和:87

約数の個数: 216

約数和(自身を含む): 68042520

約数和(自身を除く): 49876920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 29, 30, 32, 36, 40, 45, 48, 50, 54, 58, 60, 72, 75, 80, 87, 90, 96, 100, 108, 116, 120, 135, 144, 145, 150, 160, 174, 180, 200, 216, 225, 232, 240, 261, 270, 288, 290, 300, 348, 360, 400, 432, 435, 450, 464, 480, 522, 540, 580, 600, 675, 696, 720, 725, 783, 800, 841, 864, 870, 900, 928, 1044, 1080, 1160, 1200, 1305, 1350, 1392, 1440, 1450, 1566, 1682, 1740, 1800, 2088, 2160, 2175, 2320, 2400, 2523, 2610, 2700, 2784, 2900, 3132, 3364, 3480, 3600, 3915, 4176, 4205, 4320, 4350, 4640, 5046, 5220, 5400, 5800, 6264, 6525, 6728, 6960, 7200, 7569, 7830, 8352, 8410, 8700, 10092, 10440, 10800, 11600, 12528, 12615, 13050, 13456, 13920, 15138, 15660, 16820, 17400, 19575, 20184, 20880, 21025, 21600, 22707, 23200, 25056, 25230, 26100, 26912, 30276, 31320, 33640, 34800, 37845, 39150, 40368, 41760, 42050, 45414, 50460, 52200, 60552, 62640, 63075, 67280, 69600, 75690, 78300, 80736, 84100, 90828, 100920, 104400, 113535, 121104, 125280, 126150, 134560, 151380, 156600, 168200, 181656, 189225, 201840, 208800, 227070, 242208, 252300, 302760, 313200, 336400, 363312, 378450, 403680, 454140, 504600, 567675, 605520, 626400, 672800, 726624, 756900, 908280, 1009200, 1135350, 1211040, 1513800, 1816560, 2018400, 2270700, 3027600, 3633120, 4541400, 6055200, 9082800, 18165600]

約数ペア:

[(1, 18165600), (2, 9082800), (3, 6055200), (4, 4541400), (5, 3633120), (6, 3027600), (8, 2270700), (9, 2018400), (10, 1816560), (12, 1513800), (15, 1211040), (16, 1135350), (18, 1009200), (20, 908280), (24, 756900), (25, 726624), (27, 672800), (29, 626400), (30, 605520), (32, 567675), (36, 504600), (40, 454140), (45, 403680), (48, 378450), (50, 363312), (54, 336400), (58, 313200), (60, 302760), (72, 252300), (75, 242208), (80, 227070), (87, 208800), (90, 201840), (96, 189225), (100, 181656), (108, 168200), (116, 156600), (120, 151380), (135, 134560), (144, 126150), (145, 125280), (150, 121104), (160, 113535), (174, 104400), (180, 100920), (200, 90828), (216, 84100), (225, 80736), (232, 78300), (240, 75690), (261, 69600), (270, 67280), (288, 63075), (290, 62640), (300, 60552), (348, 52200), (360, 50460), (400, 45414), (432, 42050), (435, 41760), (450, 40368), (464, 39150), (480, 37845), (522, 34800), (540, 33640), (580, 31320), (600, 30276), (675, 26912), (696, 26100), (720, 25230), (725, 25056), (783, 23200), (800, 22707), (841, 21600), (864, 21025), (870, 20880), (900, 20184), (928, 19575), (1044, 17400), (1080, 16820), (1160, 15660), (1200, 15138), (1305, 13920), (1350, 13456), (1392, 13050), (1440, 12615), (1450, 12528), (1566, 11600), (1682, 10800), (1740, 10440), (1800, 10092), (2088, 8700), (2160, 8410), (2175, 8352), (2320, 7830), (2400, 7569), (2523, 7200), (2610, 6960), (2700, 6728), (2784, 6525), (2900, 6264), (3132, 5800), (3364, 5400), (3480, 5220), (3600, 5046), (3915, 4640), (4176, 4350), (4205, 4320)]