23515520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 66830400

約数和(自身を除く): 43314880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 181, 203, 224, 232, 280, 290, 320, 362, 406, 448, 464, 560, 580, 640, 724, 812, 896, 905, 928, 1015, 1120, 1160, 1267, 1448, 1624, 1810, 1856, 2030, 2240, 2320, 2534, 2896, 3248, 3620, 3712, 4060, 4480, 4640, 5068, 5249, 5792, 6335, 6496, 7240, 8120, 9280, 10136, 10498, 11584, 12670, 12992, 14480, 16240, 18560, 20272, 20996, 23168, 25340, 25984, 26245, 28960, 32480, 36743, 40544, 41992, 50680, 52490, 57920, 64960, 73486, 81088, 83984, 101360, 104980, 115840, 129920, 146972, 162176, 167968, 183715, 202720, 209960, 293944, 335936, 367430, 405440, 419920, 587888, 671872, 734860, 810880, 839840, 1175776, 1469720, 1679680, 2351552, 2939440, 3359360, 4703104, 5878880, 11757760, 23515520]

約数ペア:

[(1, 23515520), (2, 11757760), (4, 5878880), (5, 4703104), (7, 3359360), (8, 2939440), (10, 2351552), (14, 1679680), (16, 1469720), (20, 1175776), (28, 839840), (29, 810880), (32, 734860), (35, 671872), (40, 587888), (56, 419920), (58, 405440), (64, 367430), (70, 335936), (80, 293944), (112, 209960), (116, 202720), (128, 183715), (140, 167968), (145, 162176), (160, 146972), (181, 129920), (203, 115840), (224, 104980), (232, 101360), (280, 83984), (290, 81088), (320, 73486), (362, 64960), (406, 57920), (448, 52490), (464, 50680), (560, 41992), (580, 40544), (640, 36743), (724, 32480), (812, 28960), (896, 26245), (905, 25984), (928, 25340), (1015, 23168), (1120, 20996), (1160, 20272), (1267, 18560), (1448, 16240), (1624, 14480), (1810, 12992), (1856, 12670), (2030, 11584), (2240, 10498), (2320, 10136), (2534, 9280), (2896, 8120), (3248, 7240), (3620, 6496), (3712, 6335), (4060, 5792), (4480, 5249), (4640, 5068)]