80673180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{479}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 259338240

約数和(自身を除く): 178665060

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, 401, 420, 479, 802, 958, 1203, 1437, 1604, 1916, 2005, 2395, 2406, 2807, 2874, 3353, 4010, 4790, 4812, 5614, 5748, 6015, 6706, 7185, 8020, 8421, 9580, 10059, 11228, 12030, 13412, 14035, 14370, 16765, 16842, 20118, 24060, 28070, 28740, 33530, 33684, 40236, 42105, 50295, 56140, 67060, 84210, 100590, 168420, 192079, 201180, 384158, 576237, 768316, 960395, 1152474, 1344553, 1920790, 2304948, 2689106, 2881185, 3841580, 4033659, 5378212, 5762370, 6722765, 8067318, 11524740, 13445530, 16134636, 20168295, 26891060, 40336590, 80673180]

約数ペア:

[(1, 80673180), (2, 40336590), (3, 26891060), (4, 20168295), (5, 16134636), (6, 13445530), (7, 11524740), (10, 8067318), (12, 6722765), (14, 5762370), (15, 5378212), (20, 4033659), (21, 3841580), (28, 2881185), (30, 2689106), (35, 2304948), (42, 1920790), (60, 1344553), (70, 1152474), (84, 960395), (105, 768316), (140, 576237), (210, 384158), (401, 201180), (420, 192079), (479, 168420), (802, 100590), (958, 84210), (1203, 67060), (1437, 56140), (1604, 50295), (1916, 42105), (2005, 40236), (2395, 33684), (2406, 33530), (2807, 28740), (2874, 28070), (3353, 24060), (4010, 20118), (4790, 16842), (4812, 16765), (5614, 14370), (5748, 14035), (6015, 13412), (6706, 12030), (7185, 11228), (8020, 10059), (8421, 9580)]