18910800

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:147

約数の個数: 240

約数和(自身を含む): 71959680

約数和(自身を除く): 53048880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 27, 30, 34, 36, 40, 45, 48, 50, 51, 54, 60, 68, 72, 75, 80, 85, 90, 100, 102, 103, 108, 120, 135, 136, 144, 150, 153, 170, 180, 200, 204, 206, 216, 225, 240, 255, 270, 272, 300, 306, 309, 340, 360, 400, 408, 412, 425, 432, 450, 459, 510, 515, 540, 600, 612, 618, 675, 680, 720, 765, 816, 824, 850, 900, 918, 927, 1020, 1030, 1080, 1200, 1224, 1236, 1275, 1350, 1360, 1530, 1545, 1648, 1700, 1751, 1800, 1836, 1854, 2040, 2060, 2160, 2295, 2448, 2472, 2550, 2575, 2700, 2781, 3060, 3090, 3400, 3502, 3600, 3672, 3708, 3825, 4080, 4120, 4590, 4635, 4944, 5100, 5150, 5253, 5400, 5562, 6120, 6180, 6800, 7004, 7344, 7416, 7650, 7725, 8240, 8755, 9180, 9270, 10200, 10300, 10506, 10800, 11124, 11475, 12240, 12360, 13905, 14008, 14832, 15300, 15450, 15759, 17510, 18360, 18540, 20400, 20600, 21012, 22248, 22950, 23175, 24720, 26265, 27810, 28016, 30600, 30900, 31518, 35020, 36720, 37080, 41200, 42024, 43775, 44496, 45900, 46350, 47277, 52530, 55620, 61200, 61800, 63036, 69525, 70040, 74160, 78795, 84048, 87550, 91800, 92700, 94554, 105060, 111240, 123600, 126072, 131325, 139050, 140080, 157590, 175100, 183600, 185400, 189108, 210120, 222480, 236385, 252144, 262650, 278100, 315180, 350200, 370800, 378216, 393975, 420240, 472770, 525300, 556200, 630360, 700400, 756432, 787950, 945540, 1050600, 1112400, 1181925, 1260720, 1575900, 1891080, 2101200, 2363850, 3151800, 3782160, 4727700, 6303600, 9455400, 18910800]

約数ペア:

[(1, 18910800), (2, 9455400), (3, 6303600), (4, 4727700), (5, 3782160), (6, 3151800), (8, 2363850), (9, 2101200), (10, 1891080), (12, 1575900), (15, 1260720), (16, 1181925), (17, 1112400), (18, 1050600), (20, 945540), (24, 787950), (25, 756432), (27, 700400), (30, 630360), (34, 556200), (36, 525300), (40, 472770), (45, 420240), (48, 393975), (50, 378216), (51, 370800), (54, 350200), (60, 315180), (68, 278100), (72, 262650), (75, 252144), (80, 236385), (85, 222480), (90, 210120), (100, 189108), (102, 185400), (103, 183600), (108, 175100), (120, 157590), (135, 140080), (136, 139050), (144, 131325), (150, 126072), (153, 123600), (170, 111240), (180, 105060), (200, 94554), (204, 92700), (206, 91800), (216, 87550), (225, 84048), (240, 78795), (255, 74160), (270, 70040), (272, 69525), (300, 63036), (306, 61800), (309, 61200), (340, 55620), (360, 52530), (400, 47277), (408, 46350), (412, 45900), (425, 44496), (432, 43775), (450, 42024), (459, 41200), (510, 37080), (515, 36720), (540, 35020), (600, 31518), (612, 30900), (618, 30600), (675, 28016), (680, 27810), (720, 26265), (765, 24720), (816, 23175), (824, 22950), (850, 22248), (900, 21012), (918, 20600), (927, 20400), (1020, 18540), (1030, 18360), (1080, 17510), (1200, 15759), (1224, 15450), (1236, 15300), (1275, 14832), (1350, 14008), (1360, 13905), (1530, 12360), (1545, 12240), (1648, 11475), (1700, 11124), (1751, 10800), (1800, 10506), (1836, 10300), (1854, 10200), (2040, 9270), (2060, 9180), (2160, 8755), (2295, 8240), (2448, 7725), (2472, 7650), (2550, 7416), (2575, 7344), (2700, 7004), (2781, 6800), (3060, 6180), (3090, 6120), (3400, 5562), (3502, 5400), (3600, 5253), (3672, 5150), (3708, 5100), (3825, 4944), (4080, 4635), (4120, 4590)]