21230640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9829}}^1$

素因数の和:9851

約数の個数: 80

約数和(自身を含む): 73135200

約数和(自身を除く): 51904560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9829, 19658, 29487, 39316, 49145, 58974, 78632, 88461, 98290, 117948, 147435, 157264, 176922, 196580, 235896, 265383, 294870, 353844, 393160, 442305, 471792, 530766, 589740, 707688, 786320, 884610, 1061532, 1179480, 1326915, 1415376, 1769220, 2123064, 2358960, 2653830, 3538440, 4246128, 5307660, 7076880, 10615320, 21230640]

約数ペア:

[(1, 21230640), (2, 10615320), (3, 7076880), (4, 5307660), (5, 4246128), (6, 3538440), (8, 2653830), (9, 2358960), (10, 2123064), (12, 1769220), (15, 1415376), (16, 1326915), (18, 1179480), (20, 1061532), (24, 884610), (27, 786320), (30, 707688), (36, 589740), (40, 530766), (45, 471792), (48, 442305), (54, 393160), (60, 353844), (72, 294870), (80, 265383), (90, 235896), (108, 196580), (120, 176922), (135, 157264), (144, 147435), (180, 117948), (216, 98290), (240, 88461), (270, 78632), (360, 58974), (432, 49145), (540, 39316), (720, 29487), (1080, 19658), (2160, 9829)]