815715540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{17231}}^1$

素因数の和:17509

約数の個数: 72

約数和(自身を含む): 2483889408

約数和(自身を除く): 1668173868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1578, 2367, 2630, 3156, 3945, 4734, 5260, 7890, 9468, 11835, 15780, 17231, 23670, 34462, 47340, 51693, 68924, 86155, 103386, 155079, 172310, 206772, 258465, 310158, 344620, 516930, 620316, 775395, 1033860, 1550790, 3101580, 4531753, 9063506, 13595259, 18127012, 22658765, 27190518, 40785777, 45317530, 54381036, 67976295, 81571554, 90635060, 135952590, 163143108, 203928885, 271905180, 407857770, 815715540]

約数ペア:

[(1, 815715540), (2, 407857770), (3, 271905180), (4, 203928885), (5, 163143108), (6, 135952590), (9, 90635060), (10, 81571554), (12, 67976295), (15, 54381036), (18, 45317530), (20, 40785777), (30, 27190518), (36, 22658765), (45, 18127012), (60, 13595259), (90, 9063506), (180, 4531753), (263, 3101580), (526, 1550790), (789, 1033860), (1052, 775395), (1315, 620316), (1578, 516930), (2367, 344620), (2630, 310158), (3156, 258465), (3945, 206772), (4734, 172310), (5260, 155079), (7890, 103386), (9468, 86155), (11835, 68924), (15780, 51693), (17231, 47340), (23670, 34462)]