12915840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2$

素因数の和:91

約数の個数: 192

約数和(自身を含む): 48617280

約数和(自身を除く): 35701440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 560, 620, 640, 651, 672, 744, 840, 868, 896, 930, 960, 961, 992, 1085, 1120, 1240, 1302, 1344, 1488, 1680, 1736, 1860, 1920, 1922, 1984, 2170, 2240, 2480, 2604, 2688, 2883, 2976, 3255, 3360, 3472, 3720, 3844, 3968, 4340, 4480, 4805, 4960, 5208, 5766, 5952, 6510, 6720, 6727, 6944, 7440, 7688, 8680, 9610, 9920, 10416, 11532, 11904, 13020, 13440, 13454, 13888, 14415, 14880, 15376, 17360, 19220, 19840, 20181, 20832, 23064, 26040, 26908, 27776, 28830, 29760, 30752, 33635, 34720, 38440, 40362, 41664, 46128, 52080, 53816, 57660, 59520, 61504, 67270, 69440, 76880, 80724, 83328, 92256, 100905, 104160, 107632, 115320, 123008, 134540, 138880, 153760, 161448, 184512, 201810, 208320, 215264, 230640, 269080, 307520, 322896, 369024, 403620, 416640, 430528, 461280, 538160, 615040, 645792, 807240, 861056, 922560, 1076320, 1291584, 1614480, 1845120, 2152640, 2583168, 3228960, 4305280, 6457920, 12915840]

約数ペア:

[(1, 12915840), (2, 6457920), (3, 4305280), (4, 3228960), (5, 2583168), (6, 2152640), (7, 1845120), (8, 1614480), (10, 1291584), (12, 1076320), (14, 922560), (15, 861056), (16, 807240), (20, 645792), (21, 615040), (24, 538160), (28, 461280), (30, 430528), (31, 416640), (32, 403620), (35, 369024), (40, 322896), (42, 307520), (48, 269080), (56, 230640), (60, 215264), (62, 208320), (64, 201810), (70, 184512), (80, 161448), (84, 153760), (93, 138880), (96, 134540), (105, 123008), (112, 115320), (120, 107632), (124, 104160), (128, 100905), (140, 92256), (155, 83328), (160, 80724), (168, 76880), (186, 69440), (192, 67270), (210, 61504), (217, 59520), (224, 57660), (240, 53816), (248, 52080), (280, 46128), (310, 41664), (320, 40362), (336, 38440), (372, 34720), (384, 33635), (420, 30752), (434, 29760), (448, 28830), (465, 27776), (480, 26908), (496, 26040), (560, 23064), (620, 20832), (640, 20181), (651, 19840), (672, 19220), (744, 17360), (840, 15376), (868, 14880), (896, 14415), (930, 13888), (960, 13454), (961, 13440), (992, 13020), (1085, 11904), (1120, 11532), (1240, 10416), (1302, 9920), (1344, 9610), (1488, 8680), (1680, 7688), (1736, 7440), (1860, 6944), (1920, 6727), (1922, 6720), (1984, 6510), (2170, 5952), (2240, 5766), (2480, 5208), (2604, 4960), (2688, 4805), (2883, 4480), (2976, 4340), (3255, 3968), (3360, 3844), (3472, 3720)]