40167540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 141523200

約数和(自身を除く): 101355660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 449, 497, 630, 639, 710, 852, 898, 994, 1065, 1260, 1278, 1347, 1420, 1491, 1796, 1988, 2130, 2245, 2485, 2556, 2694, 2982, 3143, 3195, 4041, 4260, 4473, 4490, 4970, 5388, 5964, 6286, 6390, 6735, 7455, 8082, 8946, 8980, 9429, 9940, 12572, 12780, 13470, 14910, 15715, 16164, 17892, 18858, 20205, 22365, 26940, 28287, 29820, 31430, 31879, 37716, 40410, 44730, 47145, 56574, 62860, 63758, 80820, 89460, 94290, 95637, 113148, 127516, 141435, 159395, 188580, 191274, 223153, 282870, 286911, 318790, 382548, 446306, 478185, 565740, 573822, 637580, 669459, 892612, 956370, 1115765, 1147644, 1338918, 1434555, 1912740, 2008377, 2231530, 2677836, 2869110, 3347295, 4016754, 4463060, 5738220, 6694590, 8033508, 10041885, 13389180, 20083770, 40167540]

約数ペア:

[(1, 40167540), (2, 20083770), (3, 13389180), (4, 10041885), (5, 8033508), (6, 6694590), (7, 5738220), (9, 4463060), (10, 4016754), (12, 3347295), (14, 2869110), (15, 2677836), (18, 2231530), (20, 2008377), (21, 1912740), (28, 1434555), (30, 1338918), (35, 1147644), (36, 1115765), (42, 956370), (45, 892612), (60, 669459), (63, 637580), (70, 573822), (71, 565740), (84, 478185), (90, 446306), (105, 382548), (126, 318790), (140, 286911), (142, 282870), (180, 223153), (210, 191274), (213, 188580), (252, 159395), (284, 141435), (315, 127516), (355, 113148), (420, 95637), (426, 94290), (449, 89460), (497, 80820), (630, 63758), (639, 62860), (710, 56574), (852, 47145), (898, 44730), (994, 40410), (1065, 37716), (1260, 31879), (1278, 31430), (1347, 29820), (1420, 28287), (1491, 26940), (1796, 22365), (1988, 20205), (2130, 18858), (2245, 17892), (2485, 16164), (2556, 15715), (2694, 14910), (2982, 13470), (3143, 12780), (3195, 12572), (4041, 9940), (4260, 9429), (4473, 8980), (4490, 8946), (4970, 8082), (5388, 7455), (5964, 6735), (6286, 6390)]