421200640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1678

約数の個数: 144

約数和(自身を含む): 1193532480

約数和(自身を除く): 772331840

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, 203, 224, 232, 256, 280, 290, 320, 406, 448, 464, 560, 580, 640, 812, 896, 928, 1015, 1120, 1160, 1280, 1621, 1624, 1792, 1856, 2030, 2240, 2320, 3242, 3248, 3712, 4060, 4480, 4640, 6484, 6496, 7424, 8105, 8120, 8960, 9280, 11347, 12968, 12992, 16210, 16240, 18560, 22694, 25936, 25984, 32420, 32480, 37120, 45388, 47009, 51872, 51968, 56735, 64840, 64960, 90776, 94018, 103744, 113470, 129680, 129920, 181552, 188036, 207488, 226940, 235045, 259360, 259840, 329063, 363104, 376072, 414976, 453880, 470090, 518720, 658126, 726208, 752144, 907760, 940180, 1037440, 1316252, 1452416, 1504288, 1645315, 1815520, 1880360, 2074880, 2632504, 2904832, 3008576, 3290630, 3631040, 3760720, 5265008, 6017152, 6581260, 7262080, 7521440, 10530016, 12034304, 13162520, 14524160, 15042880, 21060032, 26325040, 30085760, 42120064, 52650080, 60171520, 84240128, 105300160, 210600320, 421200640]

約数ペア:

[(1, 421200640), (2, 210600320), (4, 105300160), (5, 84240128), (7, 60171520), (8, 52650080), (10, 42120064), (14, 30085760), (16, 26325040), (20, 21060032), (28, 15042880), (29, 14524160), (32, 13162520), (35, 12034304), (40, 10530016), (56, 7521440), (58, 7262080), (64, 6581260), (70, 6017152), (80, 5265008), (112, 3760720), (116, 3631040), (128, 3290630), (140, 3008576), (145, 2904832), (160, 2632504), (203, 2074880), (224, 1880360), (232, 1815520), (256, 1645315), (280, 1504288), (290, 1452416), (320, 1316252), (406, 1037440), (448, 940180), (464, 907760), (560, 752144), (580, 726208), (640, 658126), (812, 518720), (896, 470090), (928, 453880), (1015, 414976), (1120, 376072), (1160, 363104), (1280, 329063), (1621, 259840), (1624, 259360), (1792, 235045), (1856, 226940), (2030, 207488), (2240, 188036), (2320, 181552), (3242, 129920), (3248, 129680), (3712, 113470), (4060, 103744), (4480, 94018), (4640, 90776), (6484, 64960), (6496, 64840), (7424, 56735), (8105, 51968), (8120, 51872), (8960, 47009), (9280, 45388), (11347, 37120), (12968, 32480), (12992, 32420), (16210, 25984), (16240, 25936), (18560, 22694)]