81674040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97231}}^1$

素因数の和:97252

約数の個数: 64

約数和(自身を含む): 280028160

約数和(自身を除く): 198354120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 97231, 194462, 291693, 388924, 486155, 583386, 680617, 777848, 972310, 1166772, 1361234, 1458465, 1944620, 2041851, 2333544, 2722468, 2916930, 3403085, 3889240, 4083702, 5444936, 5833860, 6806170, 8167404, 10209255, 11667720, 13612340, 16334808, 20418510, 27224680, 40837020, 81674040]

約数ペア:

[(1, 81674040), (2, 40837020), (3, 27224680), (4, 20418510), (5, 16334808), (6, 13612340), (7, 11667720), (8, 10209255), (10, 8167404), (12, 6806170), (14, 5833860), (15, 5444936), (20, 4083702), (21, 3889240), (24, 3403085), (28, 2916930), (30, 2722468), (35, 2333544), (40, 2041851), (42, 1944620), (56, 1458465), (60, 1361234), (70, 1166772), (84, 972310), (105, 777848), (120, 680617), (140, 583386), (168, 486155), (210, 388924), (280, 291693), (420, 194462), (840, 97231)]