80817720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5303}}^1$

素因数の和:5444

約数の個数: 64

約数和(自身を含む): 244408320

約数和(自身を除く): 163590600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2540, 3048, 3810, 5080, 5303, 7620, 10606, 15240, 15909, 21212, 26515, 31818, 42424, 53030, 63636, 79545, 106060, 127272, 159090, 212120, 318180, 636360, 673481, 1346962, 2020443, 2693924, 3367405, 4040886, 5387848, 6734810, 8081772, 10102215, 13469620, 16163544, 20204430, 26939240, 40408860, 80817720]

約数ペア:

[(1, 80817720), (2, 40408860), (3, 26939240), (4, 20204430), (5, 16163544), (6, 13469620), (8, 10102215), (10, 8081772), (12, 6734810), (15, 5387848), (20, 4040886), (24, 3367405), (30, 2693924), (40, 2020443), (60, 1346962), (120, 673481), (127, 636360), (254, 318180), (381, 212120), (508, 159090), (635, 127272), (762, 106060), (1016, 79545), (1270, 63636), (1524, 53030), (1905, 42424), (2540, 31818), (3048, 26515), (3810, 21212), (5080, 15909), (5303, 15240), (7620, 10606)]