66901940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 170311680

約数和(自身を除く): 103409740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 79, 92, 115, 140, 158, 161, 230, 263, 316, 322, 395, 460, 526, 553, 644, 790, 805, 1052, 1106, 1315, 1580, 1610, 1817, 1841, 2212, 2630, 2765, 3220, 3634, 3682, 5260, 5530, 6049, 7268, 7364, 9085, 9205, 11060, 12098, 12719, 18170, 18410, 20777, 24196, 25438, 30245, 36340, 36820, 41554, 42343, 50876, 60490, 63595, 83108, 84686, 103885, 120980, 127190, 145439, 169372, 207770, 211715, 254380, 290878, 415540, 423430, 477871, 581756, 727195, 846860, 955742, 1454390, 1911484, 2389355, 2908780, 3345097, 4778710, 6690194, 9557420, 13380388, 16725485, 33450970, 66901940]

約数ペア:

[(1, 66901940), (2, 33450970), (4, 16725485), (5, 13380388), (7, 9557420), (10, 6690194), (14, 4778710), (20, 3345097), (23, 2908780), (28, 2389355), (35, 1911484), (46, 1454390), (70, 955742), (79, 846860), (92, 727195), (115, 581756), (140, 477871), (158, 423430), (161, 415540), (230, 290878), (263, 254380), (316, 211715), (322, 207770), (395, 169372), (460, 145439), (526, 127190), (553, 120980), (644, 103885), (790, 84686), (805, 83108), (1052, 63595), (1106, 60490), (1315, 50876), (1580, 42343), (1610, 41554), (1817, 36820), (1841, 36340), (2212, 30245), (2630, 25438), (2765, 24196), (3220, 20777), (3634, 18410), (3682, 18170), (5260, 12719), (5530, 12098), (6049, 11060), (7268, 9205), (7364, 9085)]