129398940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65353}}^1$

素因数の和:65379

約数の個数: 72

約数和(自身を含む): 428199408

約数和(自身を除く): 298800468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 65353, 130706, 196059, 261412, 326765, 392118, 588177, 653530, 718883, 784236, 980295, 1176354, 1307060, 1437766, 1960590, 2156649, 2352708, 2875532, 2940885, 3594415, 3921180, 4313298, 5881770, 6469947, 7188830, 8626596, 10783245, 11763540, 12939894, 14377660, 21566490, 25879788, 32349735, 43132980, 64699470, 129398940]

約数ペア:

[(1, 129398940), (2, 64699470), (3, 43132980), (4, 32349735), (5, 25879788), (6, 21566490), (9, 14377660), (10, 12939894), (11, 11763540), (12, 10783245), (15, 8626596), (18, 7188830), (20, 6469947), (22, 5881770), (30, 4313298), (33, 3921180), (36, 3594415), (44, 2940885), (45, 2875532), (55, 2352708), (60, 2156649), (66, 1960590), (90, 1437766), (99, 1307060), (110, 1176354), (132, 980295), (165, 784236), (180, 718883), (198, 653530), (220, 588177), (330, 392118), (396, 326765), (495, 261412), (660, 196059), (990, 130706), (1980, 65353)]