20199562080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{65447}}^1$

素因数の和:66108

約数の個数: 96

約数和(自身を含む): 63728550144

約数和(自身を除く): 43528988064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 643, 1286, 1929, 2572, 3215, 3858, 5144, 6430, 7716, 9645, 10288, 12860, 15432, 19290, 20576, 25720, 30864, 38580, 51440, 61728, 65447, 77160, 102880, 130894, 154320, 196341, 261788, 308640, 327235, 392682, 523576, 654470, 785364, 981705, 1047152, 1308940, 1570728, 1963410, 2094304, 2617880, 3141456, 3926820, 5235760, 6282912, 7853640, 10471520, 15707280, 31414560, 42082421, 84164842, 126247263, 168329684, 210412105, 252494526, 336659368, 420824210, 504989052, 631236315, 673318736, 841648420, 1009978104, 1262472630, 1346637472, 1683296840, 2019956208, 2524945260, 3366593680, 4039912416, 5049890520, 6733187360, 10099781040, 20199562080]

約数ペア:

[(1, 20199562080), (2, 10099781040), (3, 6733187360), (4, 5049890520), (5, 4039912416), (6, 3366593680), (8, 2524945260), (10, 2019956208), (12, 1683296840), (15, 1346637472), (16, 1262472630), (20, 1009978104), (24, 841648420), (30, 673318736), (32, 631236315), (40, 504989052), (48, 420824210), (60, 336659368), (80, 252494526), (96, 210412105), (120, 168329684), (160, 126247263), (240, 84164842), (480, 42082421), (643, 31414560), (1286, 15707280), (1929, 10471520), (2572, 7853640), (3215, 6282912), (3858, 5235760), (5144, 3926820), (6430, 3141456), (7716, 2617880), (9645, 2094304), (10288, 1963410), (12860, 1570728), (15432, 1308940), (19290, 1047152), (20576, 981705), (25720, 785364), (30864, 654470), (38580, 523576), (51440, 392682), (61728, 327235), (65447, 308640), (77160, 261788), (102880, 196341), (130894, 154320)]