1981178430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{857653}}^1$

素因数の和:857681

約数の個数: 64

約数和(自身を含む): 5928104448

約数和(自身を除く): 3946926018

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 857653, 1715306, 2572959, 4288265, 5145918, 6003571, 8576530, 9434183, 12007142, 12864795, 18010713, 18868366, 25729590, 28302549, 30017855, 36021426, 47170915, 56605098, 60035710, 66039281, 90053565, 94341830, 132078562, 141512745, 180107130, 198117843, 283025490, 330196405, 396235686, 660392810, 990589215, 1981178430]

約数ペア:

[(1, 1981178430), (2, 990589215), (3, 660392810), (5, 396235686), (6, 330196405), (7, 283025490), (10, 198117843), (11, 180107130), (14, 141512745), (15, 132078562), (21, 94341830), (22, 90053565), (30, 66039281), (33, 60035710), (35, 56605098), (42, 47170915), (55, 36021426), (66, 30017855), (70, 28302549), (77, 25729590), (105, 18868366), (110, 18010713), (154, 12864795), (165, 12007142), (210, 9434183), (231, 8576530), (330, 6003571), (385, 5145918), (462, 4288265), (770, 2572959), (1155, 1715306), (2310, 857653)]