253191680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 453905920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 199, 224, 256, 280, 284, 320, 355, 398, 448, 497, 512, 560, 568, 640, 710, 796, 896, 994, 995, 1120, 1136, 1280, 1393, 1420, 1592, 1792, 1988, 1990, 2240, 2272, 2485, 2560, 2786, 2840, 3184, 3584, 3976, 3980, 4480, 4544, 4970, 5572, 5680, 6368, 6965, 7952, 7960, 8960, 9088, 9940, 11144, 11360, 12736, 13930, 14129, 15904, 15920, 17920, 18176, 19880, 22288, 22720, 25472, 27860, 28258, 31808, 31840, 36352, 39760, 44576, 45440, 50944, 55720, 56516, 63616, 63680, 70645, 79520, 89152, 90880, 98903, 101888, 111440, 113032, 127232, 127360, 141290, 159040, 178304, 181760, 197806, 222880, 226064, 254464, 254720, 282580, 318080, 356608, 395612, 445760, 452128, 494515, 509440, 565160, 636160, 713216, 791224, 891520, 904256, 989030, 1130320, 1272320, 1582448, 1783040, 1808512, 1978060, 2260640, 3164896, 3566080, 3617024, 3956120, 4521280, 6329792, 7234048, 7912240, 9042560, 12659584, 15824480, 18085120, 25319168, 31648960, 36170240, 50638336, 63297920, 126595840, 253191680]

約数ペア:

[(1, 253191680), (2, 126595840), (4, 63297920), (5, 50638336), (7, 36170240), (8, 31648960), (10, 25319168), (14, 18085120), (16, 15824480), (20, 12659584), (28, 9042560), (32, 7912240), (35, 7234048), (40, 6329792), (56, 4521280), (64, 3956120), (70, 3617024), (71, 3566080), (80, 3164896), (112, 2260640), (128, 1978060), (140, 1808512), (142, 1783040), (160, 1582448), (199, 1272320), (224, 1130320), (256, 989030), (280, 904256), (284, 891520), (320, 791224), (355, 713216), (398, 636160), (448, 565160), (497, 509440), (512, 494515), (560, 452128), (568, 445760), (640, 395612), (710, 356608), (796, 318080), (896, 282580), (994, 254720), (995, 254464), (1120, 226064), (1136, 222880), (1280, 197806), (1393, 181760), (1420, 178304), (1592, 159040), (1792, 141290), (1988, 127360), (1990, 127232), (2240, 113032), (2272, 111440), (2485, 101888), (2560, 98903), (2786, 90880), (2840, 89152), (3184, 79520), (3584, 70645), (3976, 63680), (3980, 63616), (4480, 56516), (4544, 55720), (4970, 50944), (5572, 45440), (5680, 44576), (6368, 39760), (6965, 36352), (7952, 31840), (7960, 31808), (8960, 28258), (9088, 27860), (9940, 25472), (11144, 22720), (11360, 22288), (12736, 19880), (13930, 18176), (14129, 17920), (15904, 15920)]