80886400

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 192

約数和(自身を含む): 239806080

約数和(自身を除く): 158919680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 64, 70, 80, 92, 100, 112, 115, 128, 140, 157, 160, 161, 175, 184, 200, 224, 230, 280, 314, 320, 322, 350, 368, 400, 448, 460, 560, 575, 628, 640, 644, 700, 736, 785, 800, 805, 896, 920, 1099, 1120, 1150, 1256, 1288, 1400, 1472, 1570, 1600, 1610, 1840, 2198, 2240, 2300, 2512, 2576, 2800, 2944, 3140, 3200, 3220, 3611, 3680, 3925, 4025, 4396, 4480, 4600, 5024, 5152, 5495, 5600, 6280, 6440, 7222, 7360, 7850, 8050, 8792, 9200, 10048, 10304, 10990, 11200, 12560, 12880, 14444, 14720, 15700, 16100, 17584, 18055, 18400, 20096, 20608, 21980, 22400, 25120, 25277, 25760, 27475, 28888, 31400, 32200, 35168, 36110, 36800, 43960, 50240, 50554, 51520, 54950, 57776, 62800, 64400, 70336, 72220, 73600, 87920, 90275, 100480, 101108, 103040, 109900, 115552, 125600, 126385, 128800, 140672, 144440, 175840, 180550, 202216, 219800, 231104, 251200, 252770, 257600, 288880, 351680, 361100, 404432, 439600, 462208, 502400, 505540, 515200, 577760, 631925, 703360, 722200, 808864, 879200, 1011080, 1155520, 1263850, 1444400, 1617728, 1758400, 2022160, 2311040, 2527700, 2888800, 3235456, 3516800, 4044320, 5055400, 5777600, 8088640, 10110800, 11555200, 16177280, 20221600, 40443200, 80886400]

約数ペア:

[(1, 80886400), (2, 40443200), (4, 20221600), (5, 16177280), (7, 11555200), (8, 10110800), (10, 8088640), (14, 5777600), (16, 5055400), (20, 4044320), (23, 3516800), (25, 3235456), (28, 2888800), (32, 2527700), (35, 2311040), (40, 2022160), (46, 1758400), (50, 1617728), (56, 1444400), (64, 1263850), (70, 1155520), (80, 1011080), (92, 879200), (100, 808864), (112, 722200), (115, 703360), (128, 631925), (140, 577760), (157, 515200), (160, 505540), (161, 502400), (175, 462208), (184, 439600), (200, 404432), (224, 361100), (230, 351680), (280, 288880), (314, 257600), (320, 252770), (322, 251200), (350, 231104), (368, 219800), (400, 202216), (448, 180550), (460, 175840), (560, 144440), (575, 140672), (628, 128800), (640, 126385), (644, 125600), (700, 115552), (736, 109900), (785, 103040), (800, 101108), (805, 100480), (896, 90275), (920, 87920), (1099, 73600), (1120, 72220), (1150, 70336), (1256, 64400), (1288, 62800), (1400, 57776), (1472, 54950), (1570, 51520), (1600, 50554), (1610, 50240), (1840, 43960), (2198, 36800), (2240, 36110), (2300, 35168), (2512, 32200), (2576, 31400), (2800, 28888), (2944, 27475), (3140, 25760), (3200, 25277), (3220, 25120), (3611, 22400), (3680, 21980), (3925, 20608), (4025, 20096), (4396, 18400), (4480, 18055), (4600, 17584), (5024, 16100), (5152, 15700), (5495, 14720), (5600, 14444), (6280, 12880), (6440, 12560), (7222, 11200), (7360, 10990), (7850, 10304), (8050, 10048), (8792, 9200)]