254557440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1209

約数の個数: 216

約数和(自身を含む): 927894240

約数和(自身を除く): 673336800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 768, 855, 912, 960, 1140, 1152, 1163, 1216, 1280, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2304, 2326, 2432, 2736, 2880, 3040, 3420, 3489, 3648, 3840, 4560, 4652, 4864, 5472, 5760, 5815, 6080, 6840, 6978, 7296, 9120, 9304, 10467, 10944, 11520, 11630, 12160, 13680, 13956, 14592, 17445, 18240, 18608, 20934, 21888, 22097, 23260, 24320, 27360, 27912, 34890, 36480, 37216, 41868, 43776, 44194, 46520, 52335, 54720, 55824, 66291, 69780, 72960, 74432, 83736, 88388, 93040, 104670, 109440, 110485, 111648, 132582, 139560, 148864, 167472, 176776, 186080, 198873, 209340, 218880, 220970, 223296, 265164, 279120, 297728, 331455, 334944, 353552, 372160, 397746, 418680, 441940, 446592, 530328, 558240, 662910, 669888, 707104, 744320, 795492, 837360, 883880, 893184, 994365, 1060656, 1116480, 1325820, 1339776, 1414208, 1488640, 1590984, 1674720, 1767760, 1988730, 2121312, 2232960, 2651640, 2679552, 2828416, 3181968, 3349440, 3535520, 3977460, 4242624, 4465920, 5303280, 5656832, 6363936, 6698880, 7071040, 7954920, 8485248, 10606560, 12727872, 13397760, 14142080, 15909840, 16970496, 21213120, 25455744, 28284160, 31819680, 42426240, 50911488, 63639360, 84852480, 127278720, 254557440]

約数ペア:

[(1, 254557440), (2, 127278720), (3, 84852480), (4, 63639360), (5, 50911488), (6, 42426240), (8, 31819680), (9, 28284160), (10, 25455744), (12, 21213120), (15, 16970496), (16, 15909840), (18, 14142080), (19, 13397760), (20, 12727872), (24, 10606560), (30, 8485248), (32, 7954920), (36, 7071040), (38, 6698880), (40, 6363936), (45, 5656832), (48, 5303280), (57, 4465920), (60, 4242624), (64, 3977460), (72, 3535520), (76, 3349440), (80, 3181968), (90, 2828416), (95, 2679552), (96, 2651640), (114, 2232960), (120, 2121312), (128, 1988730), (144, 1767760), (152, 1674720), (160, 1590984), (171, 1488640), (180, 1414208), (190, 1339776), (192, 1325820), (228, 1116480), (240, 1060656), (256, 994365), (285, 893184), (288, 883880), (304, 837360), (320, 795492), (342, 744320), (360, 707104), (380, 669888), (384, 662910), (456, 558240), (480, 530328), (570, 446592), (576, 441940), (608, 418680), (640, 397746), (684, 372160), (720, 353552), (760, 334944), (768, 331455), (855, 297728), (912, 279120), (960, 265164), (1140, 223296), (1152, 220970), (1163, 218880), (1216, 209340), (1280, 198873), (1368, 186080), (1440, 176776), (1520, 167472), (1710, 148864), (1824, 139560), (1920, 132582), (2280, 111648), (2304, 110485), (2326, 109440), (2432, 104670), (2736, 93040), (2880, 88388), (3040, 83736), (3420, 74432), (3489, 72960), (3648, 69780), (3840, 66291), (4560, 55824), (4652, 54720), (4864, 52335), (5472, 46520), (5760, 44194), (5815, 43776), (6080, 41868), (6840, 37216), (6978, 36480), (7296, 34890), (9120, 27912), (9304, 27360), (10467, 24320), (10944, 23260), (11520, 22097), (11630, 21888), (12160, 20934), (13680, 18608), (13956, 18240), (14592, 17445)]