1909440

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:56

約数の個数: 224

約数和(自身を含む): 7680960

約数和(自身を除く): 5771520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 64, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 108, 117, 120, 130, 135, 136, 144, 153, 156, 160, 170, 180, 192, 195, 204, 208, 216, 221, 234, 240, 255, 260, 270, 272, 288, 306, 312, 320, 340, 351, 360, 390, 408, 416, 432, 442, 459, 468, 480, 510, 520, 540, 544, 576, 585, 612, 624, 663, 680, 702, 720, 765, 780, 816, 832, 864, 884, 918, 936, 960, 1020, 1040, 1080, 1088, 1105, 1170, 1224, 1248, 1326, 1360, 1404, 1440, 1530, 1560, 1632, 1728, 1755, 1768, 1836, 1872, 1989, 2040, 2080, 2160, 2210, 2295, 2340, 2448, 2496, 2652, 2720, 2808, 2880, 3060, 3120, 3264, 3315, 3510, 3536, 3672, 3744, 3978, 4080, 4160, 4320, 4420, 4590, 4680, 4896, 5304, 5440, 5616, 5967, 6120, 6240, 6630, 7020, 7072, 7344, 7488, 7956, 8160, 8640, 8840, 9180, 9360, 9792, 9945, 10608, 11232, 11934, 12240, 12480, 13260, 14040, 14144, 14688, 15912, 16320, 17680, 18360, 18720, 19890, 21216, 22464, 23868, 24480, 26520, 28080, 29376, 29835, 31824, 35360, 36720, 37440, 39780, 42432, 47736, 48960, 53040, 56160, 59670, 63648, 70720, 73440, 79560, 95472, 106080, 112320, 119340, 127296, 146880, 159120, 190944, 212160, 238680, 318240, 381888, 477360, 636480, 954720, 1909440]

約数ペア:

[(1, 1909440), (2, 954720), (3, 636480), (4, 477360), (5, 381888), (6, 318240), (8, 238680), (9, 212160), (10, 190944), (12, 159120), (13, 146880), (15, 127296), (16, 119340), (17, 112320), (18, 106080), (20, 95472), (24, 79560), (26, 73440), (27, 70720), (30, 63648), (32, 59670), (34, 56160), (36, 53040), (39, 48960), (40, 47736), (45, 42432), (48, 39780), (51, 37440), (52, 36720), (54, 35360), (60, 31824), (64, 29835), (65, 29376), (68, 28080), (72, 26520), (78, 24480), (80, 23868), (85, 22464), (90, 21216), (96, 19890), (102, 18720), (104, 18360), (108, 17680), (117, 16320), (120, 15912), (130, 14688), (135, 14144), (136, 14040), (144, 13260), (153, 12480), (156, 12240), (160, 11934), (170, 11232), (180, 10608), (192, 9945), (195, 9792), (204, 9360), (208, 9180), (216, 8840), (221, 8640), (234, 8160), (240, 7956), (255, 7488), (260, 7344), (270, 7072), (272, 7020), (288, 6630), (306, 6240), (312, 6120), (320, 5967), (340, 5616), (351, 5440), (360, 5304), (390, 4896), (408, 4680), (416, 4590), (432, 4420), (442, 4320), (459, 4160), (468, 4080), (480, 3978), (510, 3744), (520, 3672), (540, 3536), (544, 3510), (576, 3315), (585, 3264), (612, 3120), (624, 3060), (663, 2880), (680, 2808), (702, 2720), (720, 2652), (765, 2496), (780, 2448), (816, 2340), (832, 2295), (864, 2210), (884, 2160), (918, 2080), (936, 2040), (960, 1989), (1020, 1872), (1040, 1836), (1080, 1768), (1088, 1755), (1105, 1728), (1170, 1632), (1224, 1560), (1248, 1530), (1326, 1440), (1360, 1404)]