18060980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 28387660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 71, 79, 92, 115, 140, 142, 158, 161, 230, 284, 316, 322, 355, 395, 460, 497, 553, 644, 710, 790, 805, 994, 1106, 1420, 1580, 1610, 1633, 1817, 1988, 2212, 2485, 2765, 3220, 3266, 3634, 4970, 5530, 5609, 6532, 7268, 8165, 9085, 9940, 11060, 11218, 11431, 12719, 16330, 18170, 22436, 22862, 25438, 28045, 32660, 36340, 39263, 45724, 50876, 56090, 57155, 63595, 78526, 112180, 114310, 127190, 129007, 157052, 196315, 228620, 254380, 258014, 392630, 516028, 645035, 785260, 903049, 1290070, 1806098, 2580140, 3612196, 4515245, 9030490, 18060980]

約数ペア:

[(1, 18060980), (2, 9030490), (4, 4515245), (5, 3612196), (7, 2580140), (10, 1806098), (14, 1290070), (20, 903049), (23, 785260), (28, 645035), (35, 516028), (46, 392630), (70, 258014), (71, 254380), (79, 228620), (92, 196315), (115, 157052), (140, 129007), (142, 127190), (158, 114310), (161, 112180), (230, 78526), (284, 63595), (316, 57155), (322, 56090), (355, 50876), (395, 45724), (460, 39263), (497, 36340), (553, 32660), (644, 28045), (710, 25438), (790, 22862), (805, 22436), (994, 18170), (1106, 16330), (1420, 12719), (1580, 11431), (1610, 11218), (1633, 11060), (1817, 9940), (1988, 9085), (2212, 8165), (2485, 7268), (2765, 6532), (3220, 5609), (3266, 5530), (3634, 4970)]