121256940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{643}}^1$

素因数の和:1111

約数の個数: 96

約数和(自身を含む): 389491200

約数和(自身を除く): 268234260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 449, 643, 898, 1286, 1347, 1796, 1929, 2245, 2572, 2694, 3143, 3215, 3858, 4490, 4501, 5388, 6286, 6430, 6735, 7716, 8980, 9002, 9429, 9645, 12572, 12860, 13470, 13503, 15715, 18004, 18858, 19290, 22505, 26940, 27006, 31430, 37716, 38580, 45010, 47145, 54012, 62860, 67515, 90020, 94290, 135030, 188580, 270060, 288707, 577414, 866121, 1154828, 1443535, 1732242, 2020949, 2887070, 3464484, 4041898, 4330605, 5774140, 6062847, 8083796, 8661210, 10104745, 12125694, 17322420, 20209490, 24251388, 30314235, 40418980, 60628470, 121256940]

約数ペア:

[(1, 121256940), (2, 60628470), (3, 40418980), (4, 30314235), (5, 24251388), (6, 20209490), (7, 17322420), (10, 12125694), (12, 10104745), (14, 8661210), (15, 8083796), (20, 6062847), (21, 5774140), (28, 4330605), (30, 4041898), (35, 3464484), (42, 2887070), (60, 2020949), (70, 1732242), (84, 1443535), (105, 1154828), (140, 866121), (210, 577414), (420, 288707), (449, 270060), (643, 188580), (898, 135030), (1286, 94290), (1347, 90020), (1796, 67515), (1929, 62860), (2245, 54012), (2572, 47145), (2694, 45010), (3143, 38580), (3215, 37716), (3858, 31430), (4490, 27006), (4501, 26940), (5388, 22505), (6286, 19290), (6430, 18858), (6735, 18004), (7716, 15715), (8980, 13503), (9002, 13470), (9429, 12860), (9645, 12572)]