40905018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2683}}^1$

素因数の和:2720

約数の個数: 72

約数和(自身を含む): 111375264

約数和(自身を除く): 70470246

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1386, 1694, 2178, 2541, 2683, 5082, 5366, 7623, 8049, 15246, 16098, 18781, 24147, 29513, 37562, 48294, 56343, 59026, 88539, 112686, 169029, 177078, 206591, 265617, 324643, 338058, 413182, 531234, 619773, 649286, 973929, 1239546, 1859319, 1947858, 2272501, 2921787, 3718638, 4545002, 5843574, 6817503, 13635006, 20452509, 40905018]

約数ペア:

[(1, 40905018), (2, 20452509), (3, 13635006), (6, 6817503), (7, 5843574), (9, 4545002), (11, 3718638), (14, 2921787), (18, 2272501), (21, 1947858), (22, 1859319), (33, 1239546), (42, 973929), (63, 649286), (66, 619773), (77, 531234), (99, 413182), (121, 338058), (126, 324643), (154, 265617), (198, 206591), (231, 177078), (242, 169029), (363, 112686), (462, 88539), (693, 59026), (726, 56343), (847, 48294), (1089, 37562), (1386, 29513), (1694, 24147), (2178, 18781), (2541, 16098), (2683, 15246), (5082, 8049), (5366, 7623)]