120621440

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 305877600

約数和(自身を除く): 185256160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 67, 80, 97, 116, 128, 134, 145, 160, 194, 232, 268, 290, 320, 335, 388, 464, 485, 536, 580, 640, 670, 776, 928, 970, 1072, 1160, 1340, 1552, 1856, 1940, 1943, 2144, 2320, 2680, 2813, 3104, 3712, 3880, 3886, 4288, 4640, 5360, 5626, 6208, 6499, 7760, 7772, 8576, 9280, 9715, 10720, 11252, 12416, 12998, 14065, 15520, 15544, 18560, 19430, 21440, 22504, 25996, 28130, 31040, 31088, 32495, 38860, 42880, 45008, 51992, 56260, 62080, 62176, 64990, 77720, 90016, 103984, 112520, 124352, 129980, 155440, 180032, 188471, 207968, 225040, 248704, 259960, 310880, 360064, 376942, 415936, 450080, 519920, 621760, 753884, 831872, 900160, 942355, 1039840, 1243520, 1507768, 1800320, 1884710, 2079680, 3015536, 3769420, 4159360, 6031072, 7538840, 12062144, 15077680, 24124288, 30155360, 60310720, 120621440]

約数ペア:

[(1, 120621440), (2, 60310720), (4, 30155360), (5, 24124288), (8, 15077680), (10, 12062144), (16, 7538840), (20, 6031072), (29, 4159360), (32, 3769420), (40, 3015536), (58, 2079680), (64, 1884710), (67, 1800320), (80, 1507768), (97, 1243520), (116, 1039840), (128, 942355), (134, 900160), (145, 831872), (160, 753884), (194, 621760), (232, 519920), (268, 450080), (290, 415936), (320, 376942), (335, 360064), (388, 310880), (464, 259960), (485, 248704), (536, 225040), (580, 207968), (640, 188471), (670, 180032), (776, 155440), (928, 129980), (970, 124352), (1072, 112520), (1160, 103984), (1340, 90016), (1552, 77720), (1856, 64990), (1940, 62176), (1943, 62080), (2144, 56260), (2320, 51992), (2680, 45008), (2813, 42880), (3104, 38860), (3712, 32495), (3880, 31088), (3886, 31040), (4288, 28130), (4640, 25996), (5360, 22504), (5626, 21440), (6208, 19430), (6499, 18560), (7760, 15544), (7772, 15520), (8576, 14065), (9280, 12998), (9715, 12416), (10720, 11252)]