77809920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:928

約数の個数: 144

約数和(自身を含む): 259604352

約数和(自身を除く): 181794432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 881, 920, 960, 1104, 1280, 1380, 1472, 1762, 1840, 1920, 2208, 2643, 2760, 2944, 3524, 3680, 3840, 4405, 4416, 5286, 5520, 5888, 7048, 7360, 8810, 8832, 10572, 11040, 13215, 14096, 14720, 17620, 17664, 20263, 21144, 22080, 26430, 28192, 29440, 35240, 40526, 42288, 44160, 52860, 56384, 60789, 70480, 81052, 84576, 88320, 101315, 105720, 112768, 121578, 140960, 162104, 169152, 202630, 211440, 225536, 243156, 281920, 303945, 324208, 338304, 405260, 422880, 486312, 563840, 607890, 648416, 676608, 810520, 845760, 972624, 1127680, 1215780, 1296832, 1621040, 1691520, 1945248, 2431560, 2593664, 3242080, 3383040, 3890496, 4863120, 5187328, 6484160, 7780992, 9726240, 12968320, 15561984, 19452480, 25936640, 38904960, 77809920]

約数ペア:

[(1, 77809920), (2, 38904960), (3, 25936640), (4, 19452480), (5, 15561984), (6, 12968320), (8, 9726240), (10, 7780992), (12, 6484160), (15, 5187328), (16, 4863120), (20, 3890496), (23, 3383040), (24, 3242080), (30, 2593664), (32, 2431560), (40, 1945248), (46, 1691520), (48, 1621040), (60, 1296832), (64, 1215780), (69, 1127680), (80, 972624), (92, 845760), (96, 810520), (115, 676608), (120, 648416), (128, 607890), (138, 563840), (160, 486312), (184, 422880), (192, 405260), (230, 338304), (240, 324208), (256, 303945), (276, 281920), (320, 243156), (345, 225536), (368, 211440), (384, 202630), (460, 169152), (480, 162104), (552, 140960), (640, 121578), (690, 112768), (736, 105720), (768, 101315), (881, 88320), (920, 84576), (960, 81052), (1104, 70480), (1280, 60789), (1380, 56384), (1472, 52860), (1762, 44160), (1840, 42288), (1920, 40526), (2208, 35240), (2643, 29440), (2760, 28192), (2944, 26430), (3524, 22080), (3680, 21144), (3840, 20263), (4405, 17664), (4416, 17620), (5286, 14720), (5520, 14096), (5888, 13215), (7048, 11040), (7360, 10572), (8810, 8832)]