18282880

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:97

約数の個数: 192

約数和(自身を含む): 56512080

約数和(自身を除く): 38229200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 53, 55, 56, 64, 70, 77, 80, 88, 98, 106, 110, 112, 128, 140, 154, 160, 176, 196, 212, 220, 224, 245, 265, 280, 308, 320, 352, 371, 385, 392, 424, 440, 448, 490, 530, 539, 560, 583, 616, 640, 704, 742, 770, 784, 848, 880, 896, 980, 1060, 1078, 1120, 1166, 1232, 1408, 1484, 1540, 1568, 1696, 1760, 1855, 1960, 2120, 2156, 2240, 2332, 2464, 2597, 2695, 2915, 2968, 3080, 3136, 3392, 3520, 3710, 3920, 4081, 4240, 4312, 4480, 4664, 4928, 5194, 5390, 5830, 5936, 6160, 6272, 6784, 7040, 7420, 7840, 8162, 8480, 8624, 9328, 9856, 10388, 10780, 11660, 11872, 12320, 12985, 14840, 15680, 16324, 16960, 17248, 18656, 20405, 20776, 21560, 23320, 23744, 24640, 25970, 28567, 29680, 31360, 32648, 33920, 34496, 37312, 40810, 41552, 43120, 46640, 47488, 49280, 51940, 57134, 59360, 65296, 68992, 74624, 81620, 83104, 86240, 93280, 103880, 114268, 118720, 130592, 142835, 163240, 166208, 172480, 186560, 207760, 228536, 237440, 261184, 285670, 326480, 332416, 344960, 373120, 415520, 457072, 522368, 571340, 652960, 831040, 914144, 1142680, 1305920, 1662080, 1828288, 2285360, 2611840, 3656576, 4570720, 9141440, 18282880]

約数ペア:

[(1, 18282880), (2, 9141440), (4, 4570720), (5, 3656576), (7, 2611840), (8, 2285360), (10, 1828288), (11, 1662080), (14, 1305920), (16, 1142680), (20, 914144), (22, 831040), (28, 652960), (32, 571340), (35, 522368), (40, 457072), (44, 415520), (49, 373120), (53, 344960), (55, 332416), (56, 326480), (64, 285670), (70, 261184), (77, 237440), (80, 228536), (88, 207760), (98, 186560), (106, 172480), (110, 166208), (112, 163240), (128, 142835), (140, 130592), (154, 118720), (160, 114268), (176, 103880), (196, 93280), (212, 86240), (220, 83104), (224, 81620), (245, 74624), (265, 68992), (280, 65296), (308, 59360), (320, 57134), (352, 51940), (371, 49280), (385, 47488), (392, 46640), (424, 43120), (440, 41552), (448, 40810), (490, 37312), (530, 34496), (539, 33920), (560, 32648), (583, 31360), (616, 29680), (640, 28567), (704, 25970), (742, 24640), (770, 23744), (784, 23320), (848, 21560), (880, 20776), (896, 20405), (980, 18656), (1060, 17248), (1078, 16960), (1120, 16324), (1166, 15680), (1232, 14840), (1408, 12985), (1484, 12320), (1540, 11872), (1568, 11660), (1696, 10780), (1760, 10388), (1855, 9856), (1960, 9328), (2120, 8624), (2156, 8480), (2240, 8162), (2332, 7840), (2464, 7420), (2597, 7040), (2695, 6784), (2915, 6272), (2968, 6160), (3080, 5936), (3136, 5830), (3392, 5390), (3520, 5194), (3710, 4928), (3920, 4664), (4081, 4480), (4240, 4312)]