1998458880

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2957}}^1$

素因数の和:3000

約数の個数: 208

約数和(自身を含む): 6977945664

約数和(自身を除く): 4979486784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 512, 528, 640, 660, 704, 768, 880, 960, 1024, 1056, 1280, 1320, 1408, 1536, 1760, 1920, 2048, 2112, 2560, 2640, 2816, 2957, 3072, 3520, 3840, 4096, 4224, 5120, 5280, 5632, 5914, 6144, 7040, 7680, 8448, 8871, 10240, 10560, 11264, 11828, 12288, 14080, 14785, 15360, 16896, 17742, 20480, 21120, 22528, 23656, 28160, 29570, 30720, 32527, 33792, 35484, 42240, 44355, 45056, 47312, 56320, 59140, 61440, 65054, 67584, 70968, 84480, 88710, 94624, 97581, 112640, 118280, 130108, 135168, 141936, 162635, 168960, 177420, 189248, 195162, 225280, 236560, 260216, 283872, 325270, 337920, 354840, 378496, 390324, 473120, 487905, 520432, 567744, 650540, 675840, 709680, 756992, 780648, 946240, 975810, 1040864, 1135488, 1301080, 1419360, 1513984, 1561296, 1892480, 1951620, 2081728, 2270976, 2602160, 2838720, 3027968, 3122592, 3784960, 3903240, 4163456, 4541952, 5204320, 5677440, 6055936, 6245184, 7569920, 7806480, 8326912, 9083904, 10408640, 11354880, 12111872, 12490368, 15139840, 15612960, 16653824, 18167808, 20817280, 22709760, 24980736, 30279680, 31225920, 33307648, 36335616, 41634560, 45419520, 49961472, 60559360, 62451840, 66615296, 83269120, 90839040, 99922944, 124903680, 133230592, 166538240, 181678080, 199845888, 249807360, 333076480, 399691776, 499614720, 666152960, 999229440, 1998458880]

約数ペア:

[(1, 1998458880), (2, 999229440), (3, 666152960), (4, 499614720), (5, 399691776), (6, 333076480), (8, 249807360), (10, 199845888), (11, 181678080), (12, 166538240), (15, 133230592), (16, 124903680), (20, 99922944), (22, 90839040), (24, 83269120), (30, 66615296), (32, 62451840), (33, 60559360), (40, 49961472), (44, 45419520), (48, 41634560), (55, 36335616), (60, 33307648), (64, 31225920), (66, 30279680), (80, 24980736), (88, 22709760), (96, 20817280), (110, 18167808), (120, 16653824), (128, 15612960), (132, 15139840), (160, 12490368), (165, 12111872), (176, 11354880), (192, 10408640), (220, 9083904), (240, 8326912), (256, 7806480), (264, 7569920), (320, 6245184), (330, 6055936), (352, 5677440), (384, 5204320), (440, 4541952), (480, 4163456), (512, 3903240), (528, 3784960), (640, 3122592), (660, 3027968), (704, 2838720), (768, 2602160), (880, 2270976), (960, 2081728), (1024, 1951620), (1056, 1892480), (1280, 1561296), (1320, 1513984), (1408, 1419360), (1536, 1301080), (1760, 1135488), (1920, 1040864), (2048, 975810), (2112, 946240), (2560, 780648), (2640, 756992), (2816, 709680), (2957, 675840), (3072, 650540), (3520, 567744), (3840, 520432), (4096, 487905), (4224, 473120), (5120, 390324), (5280, 378496), (5632, 354840), (5914, 337920), (6144, 325270), (7040, 283872), (7680, 260216), (8448, 236560), (8871, 225280), (10240, 195162), (10560, 189248), (11264, 177420), (11828, 168960), (12288, 162635), (14080, 141936), (14785, 135168), (15360, 130108), (16896, 118280), (17742, 112640), (20480, 97581), (21120, 94624), (22528, 88710), (23656, 84480), (28160, 70968), (29570, 67584), (30720, 65054), (32527, 61440), (33792, 59140), (35484, 56320), (42240, 47312), (44355, 45056)]