18754560

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 264

約数和(自身を含む): 72807696

約数和(自身を除く): 54053136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 37, 40, 44, 45, 48, 55, 60, 64, 66, 72, 74, 80, 88, 90, 96, 99, 110, 111, 120, 128, 132, 144, 148, 160, 165, 176, 180, 185, 192, 198, 220, 222, 240, 256, 264, 288, 296, 320, 330, 333, 352, 360, 370, 384, 396, 407, 440, 444, 480, 495, 512, 528, 555, 576, 592, 640, 660, 666, 704, 720, 740, 768, 792, 814, 880, 888, 960, 990, 1024, 1056, 1110, 1152, 1184, 1221, 1280, 1320, 1332, 1408, 1440, 1480, 1536, 1584, 1628, 1665, 1760, 1776, 1920, 1980, 2035, 2112, 2220, 2304, 2368, 2442, 2560, 2640, 2664, 2816, 2880, 2960, 3072, 3168, 3256, 3330, 3520, 3552, 3663, 3840, 3960, 4070, 4224, 4440, 4608, 4736, 4884, 5120, 5280, 5328, 5632, 5760, 5920, 6105, 6336, 6512, 6660, 7040, 7104, 7326, 7680, 7920, 8140, 8448, 8880, 9216, 9472, 9768, 10560, 10656, 11264, 11520, 11840, 12210, 12672, 13024, 13320, 14080, 14208, 14652, 15360, 15840, 16280, 16896, 17760, 18315, 18944, 19536, 21120, 21312, 23040, 23680, 24420, 25344, 26048, 26640, 28160, 28416, 29304, 31680, 32560, 33792, 35520, 36630, 37888, 39072, 42240, 42624, 46080, 47360, 48840, 50688, 52096, 53280, 56320, 56832, 58608, 63360, 65120, 71040, 73260, 78144, 84480, 85248, 94720, 97680, 101376, 104192, 106560, 113664, 117216, 126720, 130240, 142080, 146520, 156288, 168960, 170496, 189440, 195360, 208384, 213120, 234432, 253440, 260480, 284160, 293040, 312576, 340992, 390720, 416768, 426240, 468864, 506880, 520960, 568320, 586080, 625152, 781440, 852480, 937728, 1041920, 1172160, 1250304, 1562880, 1704960, 1875456, 2083840, 2344320, 3125760, 3750912, 4688640, 6251520, 9377280, 18754560]

約数ペア:

[(1, 18754560), (2, 9377280), (3, 6251520), (4, 4688640), (5, 3750912), (6, 3125760), (8, 2344320), (9, 2083840), (10, 1875456), (11, 1704960), (12, 1562880), (15, 1250304), (16, 1172160), (18, 1041920), (20, 937728), (22, 852480), (24, 781440), (30, 625152), (32, 586080), (33, 568320), (36, 520960), (37, 506880), (40, 468864), (44, 426240), (45, 416768), (48, 390720), (55, 340992), (60, 312576), (64, 293040), (66, 284160), (72, 260480), (74, 253440), (80, 234432), (88, 213120), (90, 208384), (96, 195360), (99, 189440), (110, 170496), (111, 168960), (120, 156288), (128, 146520), (132, 142080), (144, 130240), (148, 126720), (160, 117216), (165, 113664), (176, 106560), (180, 104192), (185, 101376), (192, 97680), (198, 94720), (220, 85248), (222, 84480), (240, 78144), (256, 73260), (264, 71040), (288, 65120), (296, 63360), (320, 58608), (330, 56832), (333, 56320), (352, 53280), (360, 52096), (370, 50688), (384, 48840), (396, 47360), (407, 46080), (440, 42624), (444, 42240), (480, 39072), (495, 37888), (512, 36630), (528, 35520), (555, 33792), (576, 32560), (592, 31680), (640, 29304), (660, 28416), (666, 28160), (704, 26640), (720, 26048), (740, 25344), (768, 24420), (792, 23680), (814, 23040), (880, 21312), (888, 21120), (960, 19536), (990, 18944), (1024, 18315), (1056, 17760), (1110, 16896), (1152, 16280), (1184, 15840), (1221, 15360), (1280, 14652), (1320, 14208), (1332, 14080), (1408, 13320), (1440, 13024), (1480, 12672), (1536, 12210), (1584, 11840), (1628, 11520), (1665, 11264), (1760, 10656), (1776, 10560), (1920, 9768), (1980, 9472), (2035, 9216), (2112, 8880), (2220, 8448), (2304, 8140), (2368, 7920), (2442, 7680), (2560, 7326), (2640, 7104), (2664, 7040), (2816, 6660), (2880, 6512), (2960, 6336), (3072, 6105), (3168, 5920), (3256, 5760), (3330, 5632), (3520, 5328), (3552, 5280), (3663, 5120), (3840, 4884), (3960, 4736), (4070, 4608), (4224, 4440)]