305809920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1063

約数の個数: 240

約数和(自身を含む): 1141692552

約数和(自身を除く): 835882632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1021, 1040, 1152, 1170, 1248, 1280, 1440, 1536, 1560, 1664, 1872, 1920, 2042, 2080, 2304, 2340, 2496, 2560, 2880, 3063, 3120, 3328, 3744, 3840, 4084, 4160, 4608, 4680, 4992, 5105, 5760, 6126, 6240, 6656, 7488, 7680, 8168, 8320, 9189, 9360, 9984, 10210, 11520, 12252, 12480, 13273, 14976, 15315, 16336, 16640, 18378, 18720, 19968, 20420, 23040, 24504, 24960, 26546, 29952, 30630, 32672, 33280, 36756, 37440, 39819, 40840, 45945, 49008, 49920, 53092, 59904, 61260, 65344, 66365, 73512, 74880, 79638, 81680, 91890, 98016, 99840, 106184, 119457, 122520, 130688, 132730, 147024, 149760, 159276, 163360, 183780, 196032, 199095, 212368, 238914, 245040, 261376, 265460, 294048, 299520, 318552, 326720, 367560, 392064, 398190, 424736, 477828, 490080, 522752, 530920, 588096, 597285, 637104, 653440, 735120, 784128, 796380, 849472, 955656, 980160, 1061840, 1176192, 1194570, 1274208, 1306880, 1470240, 1568256, 1592760, 1698944, 1911312, 1960320, 2123680, 2352384, 2389140, 2548416, 2613760, 2940480, 3185520, 3397888, 3822624, 3920640, 4247360, 4704768, 4778280, 5096832, 5880960, 6371040, 6795776, 7645248, 7841280, 8494720, 9556560, 10193664, 11761920, 12742080, 15290496, 16989440, 19113120, 20387328, 23523840, 25484160, 30580992, 33978880, 38226240, 50968320, 61161984, 76452480, 101936640, 152904960, 305809920]

約数ペア:

[(1, 305809920), (2, 152904960), (3, 101936640), (4, 76452480), (5, 61161984), (6, 50968320), (8, 38226240), (9, 33978880), (10, 30580992), (12, 25484160), (13, 23523840), (15, 20387328), (16, 19113120), (18, 16989440), (20, 15290496), (24, 12742080), (26, 11761920), (30, 10193664), (32, 9556560), (36, 8494720), (39, 7841280), (40, 7645248), (45, 6795776), (48, 6371040), (52, 5880960), (60, 5096832), (64, 4778280), (65, 4704768), (72, 4247360), (78, 3920640), (80, 3822624), (90, 3397888), (96, 3185520), (104, 2940480), (117, 2613760), (120, 2548416), (128, 2389140), (130, 2352384), (144, 2123680), (156, 1960320), (160, 1911312), (180, 1698944), (192, 1592760), (195, 1568256), (208, 1470240), (234, 1306880), (240, 1274208), (256, 1194570), (260, 1176192), (288, 1061840), (312, 980160), (320, 955656), (360, 849472), (384, 796380), (390, 784128), (416, 735120), (468, 653440), (480, 637104), (512, 597285), (520, 588096), (576, 530920), (585, 522752), (624, 490080), (640, 477828), (720, 424736), (768, 398190), (780, 392064), (832, 367560), (936, 326720), (960, 318552), (1021, 299520), (1040, 294048), (1152, 265460), (1170, 261376), (1248, 245040), (1280, 238914), (1440, 212368), (1536, 199095), (1560, 196032), (1664, 183780), (1872, 163360), (1920, 159276), (2042, 149760), (2080, 147024), (2304, 132730), (2340, 130688), (2496, 122520), (2560, 119457), (2880, 106184), (3063, 99840), (3120, 98016), (3328, 91890), (3744, 81680), (3840, 79638), (4084, 74880), (4160, 73512), (4608, 66365), (4680, 65344), (4992, 61260), (5105, 59904), (5760, 53092), (6126, 49920), (6240, 49008), (6656, 45945), (7488, 40840), (7680, 39819), (8168, 37440), (8320, 36756), (9189, 33280), (9360, 32672), (9984, 30630), (10210, 29952), (11520, 26546), (12252, 24960), (12480, 24504), (13273, 23040), (14976, 20420), (15315, 19968), (16336, 18720), (16640, 18378)]