1656401280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20063}}^1$

素因数の和:20128

約数の個数: 128

約数和(自身を含む): 5402833920

約数和(自身を除く): 3746432640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 258, 320, 344, 384, 430, 480, 516, 640, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 1920, 2064, 2580, 2752, 3440, 4128, 5160, 5504, 6880, 8256, 10320, 13760, 16512, 20063, 20640, 27520, 40126, 41280, 60189, 80252, 82560, 100315, 120378, 160504, 200630, 240756, 300945, 321008, 401260, 481512, 601890, 642016, 802520, 862709, 963024, 1203780, 1284032, 1605040, 1725418, 1926048, 2407560, 2568064, 2588127, 3210080, 3450836, 3852096, 4313545, 4815120, 5176254, 6420160, 6901672, 7704192, 8627090, 9630240, 10352508, 12840320, 12940635, 13803344, 17254180, 19260480, 20705016, 25881270, 27606688, 34508360, 38520960, 41410032, 51762540, 55213376, 69016720, 82820064, 103525080, 110426752, 138033440, 165640128, 207050160, 276066880, 331280256, 414100320, 552133760, 828200640, 1656401280]

約数ペア:

[(1, 1656401280), (2, 828200640), (3, 552133760), (4, 414100320), (5, 331280256), (6, 276066880), (8, 207050160), (10, 165640128), (12, 138033440), (15, 110426752), (16, 103525080), (20, 82820064), (24, 69016720), (30, 55213376), (32, 51762540), (40, 41410032), (43, 38520960), (48, 34508360), (60, 27606688), (64, 25881270), (80, 20705016), (86, 19260480), (96, 17254180), (120, 13803344), (128, 12940635), (129, 12840320), (160, 10352508), (172, 9630240), (192, 8627090), (215, 7704192), (240, 6901672), (258, 6420160), (320, 5176254), (344, 4815120), (384, 4313545), (430, 3852096), (480, 3450836), (516, 3210080), (640, 2588127), (645, 2568064), (688, 2407560), (860, 1926048), (960, 1725418), (1032, 1605040), (1290, 1284032), (1376, 1203780), (1720, 963024), (1920, 862709), (2064, 802520), (2580, 642016), (2752, 601890), (3440, 481512), (4128, 401260), (5160, 321008), (5504, 300945), (6880, 240756), (8256, 200630), (10320, 160504), (13760, 120378), (16512, 100315), (20063, 82560), (20640, 80252), (27520, 60189), (40126, 41280)]