81666480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48611}}^1$

素因数の和:48634

約数の個数: 80

約数和(自身を含む): 289338624

約数和(自身を除く): 207672144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48611, 97222, 145833, 194444, 243055, 291666, 340277, 388888, 486110, 583332, 680554, 729165, 777776, 972220, 1020831, 1166664, 1361108, 1458330, 1701385, 1944440, 2041662, 2333328, 2722216, 2916660, 3402770, 3888880, 4083324, 5104155, 5444432, 5833320, 6805540, 8166648, 10208310, 11666640, 13611080, 16333296, 20416620, 27222160, 40833240, 81666480]

約数ペア:

[(1, 81666480), (2, 40833240), (3, 27222160), (4, 20416620), (5, 16333296), (6, 13611080), (7, 11666640), (8, 10208310), (10, 8166648), (12, 6805540), (14, 5833320), (15, 5444432), (16, 5104155), (20, 4083324), (21, 3888880), (24, 3402770), (28, 2916660), (30, 2722216), (35, 2333328), (40, 2041662), (42, 1944440), (48, 1701385), (56, 1458330), (60, 1361108), (70, 1166664), (80, 1020831), (84, 972220), (105, 777776), (112, 729165), (120, 680554), (140, 583332), (168, 486110), (210, 388888), (240, 340277), (280, 291666), (336, 243055), (420, 194444), (560, 145833), (840, 97222), (1680, 48611)]