87381540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1399}}^1$

素因数の和:1761

約数の個数: 72

約数和(自身を含む): 266011200

約数和(自身を除く): 178629660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 1041, 1388, 1399, 1735, 2082, 2798, 3123, 3470, 4164, 4197, 5205, 5596, 6246, 6940, 6995, 8394, 10410, 12492, 12591, 13990, 15615, 16788, 20820, 20985, 25182, 27980, 31230, 41970, 50364, 62460, 62955, 83940, 125910, 251820, 485453, 970906, 1456359, 1941812, 2427265, 2912718, 4369077, 4854530, 5825436, 7281795, 8738154, 9709060, 14563590, 17476308, 21845385, 29127180, 43690770, 87381540]

約数ペア:

[(1, 87381540), (2, 43690770), (3, 29127180), (4, 21845385), (5, 17476308), (6, 14563590), (9, 9709060), (10, 8738154), (12, 7281795), (15, 5825436), (18, 4854530), (20, 4369077), (30, 2912718), (36, 2427265), (45, 1941812), (60, 1456359), (90, 970906), (180, 485453), (347, 251820), (694, 125910), (1041, 83940), (1388, 62955), (1399, 62460), (1735, 50364), (2082, 41970), (2798, 31230), (3123, 27980), (3470, 25182), (4164, 20985), (4197, 20820), (5205, 16788), (5596, 15615), (6246, 13990), (6940, 12591), (6995, 12492), (8394, 10410)]