28272720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16829}}^1$

素因数の和:16852

約数の個数: 80

約数和(自身を含む): 100172160

約数和(自身を除く): 71899440

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, 16829, 33658, 50487, 67316, 84145, 100974, 117803, 134632, 168290, 201948, 235606, 252435, 269264, 336580, 353409, 403896, 471212, 504870, 589015, 673160, 706818, 807792, 942424, 1009740, 1178030, 1346320, 1413636, 1767045, 1884848, 2019480, 2356060, 2827272, 3534090, 4038960, 4712120, 5654544, 7068180, 9424240, 14136360, 28272720]

約数ペア:

[(1, 28272720), (2, 14136360), (3, 9424240), (4, 7068180), (5, 5654544), (6, 4712120), (7, 4038960), (8, 3534090), (10, 2827272), (12, 2356060), (14, 2019480), (15, 1884848), (16, 1767045), (20, 1413636), (21, 1346320), (24, 1178030), (28, 1009740), (30, 942424), (35, 807792), (40, 706818), (42, 673160), (48, 589015), (56, 504870), (60, 471212), (70, 403896), (80, 353409), (84, 336580), (105, 269264), (112, 252435), (120, 235606), (140, 201948), (168, 168290), (210, 134632), (240, 117803), (280, 100974), (336, 84145), (420, 67316), (560, 50487), (840, 33658), (1680, 16829)]