28343040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 216

約数和(自身を含む): 101128944

約数和(自身を除く): 72785904

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, 61, 64, 66, 80, 88, 96, 110, 120, 121, 122, 128, 132, 160, 165, 176, 183, 192, 220, 240, 242, 244, 256, 264, 305, 320, 330, 352, 363, 366, 384, 440, 480, 484, 488, 528, 605, 610, 640, 660, 671, 704, 726, 732, 768, 880, 915, 960, 968, 976, 1056, 1210, 1220, 1280, 1320, 1342, 1408, 1452, 1464, 1760, 1815, 1830, 1920, 1936, 1952, 2013, 2112, 2420, 2440, 2640, 2684, 2816, 2904, 2928, 3355, 3520, 3630, 3660, 3840, 3872, 3904, 4026, 4224, 4840, 4880, 5280, 5368, 5808, 5856, 6710, 7040, 7260, 7320, 7381, 7744, 7808, 8052, 8448, 9680, 9760, 10065, 10560, 10736, 11616, 11712, 13420, 14080, 14520, 14640, 14762, 15488, 15616, 16104, 19360, 19520, 20130, 21120, 21472, 22143, 23232, 23424, 26840, 29040, 29280, 29524, 30976, 32208, 36905, 38720, 39040, 40260, 42240, 42944, 44286, 46464, 46848, 53680, 58080, 58560, 59048, 64416, 73810, 77440, 78080, 80520, 85888, 88572, 92928, 107360, 110715, 116160, 117120, 118096, 128832, 147620, 154880, 161040, 171776, 177144, 214720, 221430, 232320, 234240, 236192, 257664, 295240, 322080, 354288, 429440, 442860, 464640, 472384, 515328, 590480, 644160, 708576, 858880, 885720, 944768, 1180960, 1288320, 1417152, 1771440, 1889536, 2361920, 2576640, 2834304, 3542880, 4723840, 5668608, 7085760, 9447680, 14171520, 28343040]

約数ペア:

[(1, 28343040), (2, 14171520), (3, 9447680), (4, 7085760), (5, 5668608), (6, 4723840), (8, 3542880), (10, 2834304), (11, 2576640), (12, 2361920), (15, 1889536), (16, 1771440), (20, 1417152), (22, 1288320), (24, 1180960), (30, 944768), (32, 885720), (33, 858880), (40, 708576), (44, 644160), (48, 590480), (55, 515328), (60, 472384), (61, 464640), (64, 442860), (66, 429440), (80, 354288), (88, 322080), (96, 295240), (110, 257664), (120, 236192), (121, 234240), (122, 232320), (128, 221430), (132, 214720), (160, 177144), (165, 171776), (176, 161040), (183, 154880), (192, 147620), (220, 128832), (240, 118096), (242, 117120), (244, 116160), (256, 110715), (264, 107360), (305, 92928), (320, 88572), (330, 85888), (352, 80520), (363, 78080), (366, 77440), (384, 73810), (440, 64416), (480, 59048), (484, 58560), (488, 58080), (528, 53680), (605, 46848), (610, 46464), (640, 44286), (660, 42944), (671, 42240), (704, 40260), (726, 39040), (732, 38720), (768, 36905), (880, 32208), (915, 30976), (960, 29524), (968, 29280), (976, 29040), (1056, 26840), (1210, 23424), (1220, 23232), (1280, 22143), (1320, 21472), (1342, 21120), (1408, 20130), (1452, 19520), (1464, 19360), (1760, 16104), (1815, 15616), (1830, 15488), (1920, 14762), (1936, 14640), (1952, 14520), (2013, 14080), (2112, 13420), (2420, 11712), (2440, 11616), (2640, 10736), (2684, 10560), (2816, 10065), (2904, 9760), (2928, 9680), (3355, 8448), (3520, 8052), (3630, 7808), (3660, 7744), (3840, 7381), (3872, 7320), (3904, 7260), (4026, 7040), (4224, 6710), (4840, 5856), (4880, 5808), (5280, 5368)]