20368800

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 288

約数和(自身を含む): 78744960

約数和(自身を除く): 58376160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 27, 30, 32, 36, 40, 41, 45, 46, 48, 50, 54, 60, 69, 72, 75, 80, 82, 90, 92, 96, 100, 108, 115, 120, 123, 135, 138, 144, 150, 160, 164, 180, 184, 200, 205, 207, 216, 225, 230, 240, 246, 270, 276, 288, 300, 328, 345, 360, 368, 369, 400, 410, 414, 432, 450, 460, 480, 492, 540, 552, 575, 600, 615, 621, 656, 675, 690, 720, 736, 738, 800, 820, 828, 864, 900, 920, 943, 984, 1025, 1035, 1080, 1104, 1107, 1150, 1200, 1230, 1242, 1312, 1350, 1380, 1440, 1476, 1640, 1656, 1725, 1800, 1840, 1845, 1886, 1968, 2050, 2070, 2160, 2208, 2214, 2300, 2400, 2460, 2484, 2700, 2760, 2829, 2952, 3075, 3105, 3280, 3312, 3450, 3600, 3680, 3690, 3772, 3936, 4100, 4140, 4320, 4428, 4600, 4715, 4920, 4968, 5175, 5400, 5520, 5535, 5658, 5904, 6150, 6210, 6560, 6624, 6900, 7200, 7380, 7544, 8200, 8280, 8487, 8856, 9200, 9225, 9430, 9840, 9936, 10350, 10800, 11040, 11070, 11316, 11808, 12300, 12420, 13800, 14145, 14760, 15088, 15525, 16400, 16560, 16974, 17712, 18400, 18450, 18860, 19680, 19872, 20700, 21600, 22140, 22632, 23575, 24600, 24840, 25461, 27600, 27675, 28290, 29520, 30176, 31050, 32800, 33120, 33948, 35424, 36900, 37720, 41400, 42435, 44280, 45264, 47150, 49200, 49680, 50922, 55200, 55350, 56580, 59040, 62100, 67896, 70725, 73800, 75440, 82800, 84870, 88560, 90528, 94300, 98400, 99360, 101844, 110700, 113160, 124200, 127305, 135792, 141450, 147600, 150880, 165600, 169740, 177120, 188600, 203688, 212175, 221400, 226320, 248400, 254610, 271584, 282900, 295200, 339480, 377200, 407376, 424350, 442800, 452640, 496800, 509220, 565800, 636525, 678960, 754400, 814752, 848700, 885600, 1018440, 1131600, 1273050, 1357920, 1697400, 2036880, 2263200, 2546100, 3394800, 4073760, 5092200, 6789600, 10184400, 20368800]

約数ペア:

[(1, 20368800), (2, 10184400), (3, 6789600), (4, 5092200), (5, 4073760), (6, 3394800), (8, 2546100), (9, 2263200), (10, 2036880), (12, 1697400), (15, 1357920), (16, 1273050), (18, 1131600), (20, 1018440), (23, 885600), (24, 848700), (25, 814752), (27, 754400), (30, 678960), (32, 636525), (36, 565800), (40, 509220), (41, 496800), (45, 452640), (46, 442800), (48, 424350), (50, 407376), (54, 377200), (60, 339480), (69, 295200), (72, 282900), (75, 271584), (80, 254610), (82, 248400), (90, 226320), (92, 221400), (96, 212175), (100, 203688), (108, 188600), (115, 177120), (120, 169740), (123, 165600), (135, 150880), (138, 147600), (144, 141450), (150, 135792), (160, 127305), (164, 124200), (180, 113160), (184, 110700), (200, 101844), (205, 99360), (207, 98400), (216, 94300), (225, 90528), (230, 88560), (240, 84870), (246, 82800), (270, 75440), (276, 73800), (288, 70725), (300, 67896), (328, 62100), (345, 59040), (360, 56580), (368, 55350), (369, 55200), (400, 50922), (410, 49680), (414, 49200), (432, 47150), (450, 45264), (460, 44280), (480, 42435), (492, 41400), (540, 37720), (552, 36900), (575, 35424), (600, 33948), (615, 33120), (621, 32800), (656, 31050), (675, 30176), (690, 29520), (720, 28290), (736, 27675), (738, 27600), (800, 25461), (820, 24840), (828, 24600), (864, 23575), (900, 22632), (920, 22140), (943, 21600), (984, 20700), (1025, 19872), (1035, 19680), (1080, 18860), (1104, 18450), (1107, 18400), (1150, 17712), (1200, 16974), (1230, 16560), (1242, 16400), (1312, 15525), (1350, 15088), (1380, 14760), (1440, 14145), (1476, 13800), (1640, 12420), (1656, 12300), (1725, 11808), (1800, 11316), (1840, 11070), (1845, 11040), (1886, 10800), (1968, 10350), (2050, 9936), (2070, 9840), (2160, 9430), (2208, 9225), (2214, 9200), (2300, 8856), (2400, 8487), (2460, 8280), (2484, 8200), (2700, 7544), (2760, 7380), (2829, 7200), (2952, 6900), (3075, 6624), (3105, 6560), (3280, 6210), (3312, 6150), (3450, 5904), (3600, 5658), (3680, 5535), (3690, 5520), (3772, 5400), (3936, 5175), (4100, 4968), (4140, 4920), (4320, 4715), (4428, 4600)]