81957240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2347}}^1$

素因数の和:2461

約数の個数: 96

約数和(自身を含む): 269221680

約数和(自身を除く): 187264440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 873, 970, 1164, 1455, 1746, 1940, 2328, 2347, 2910, 3492, 3880, 4365, 4694, 5820, 6984, 7041, 8730, 9388, 11640, 11735, 14082, 17460, 18776, 21123, 23470, 28164, 34920, 35205, 42246, 46940, 56328, 70410, 84492, 93880, 105615, 140820, 168984, 211230, 227659, 281640, 422460, 455318, 682977, 844920, 910636, 1138295, 1365954, 1821272, 2048931, 2276590, 2731908, 3414885, 4097862, 4553180, 5463816, 6829770, 8195724, 9106360, 10244655, 13659540, 16391448, 20489310, 27319080, 40978620, 81957240]

約数ペア:

[(1, 81957240), (2, 40978620), (3, 27319080), (4, 20489310), (5, 16391448), (6, 13659540), (8, 10244655), (9, 9106360), (10, 8195724), (12, 6829770), (15, 5463816), (18, 4553180), (20, 4097862), (24, 3414885), (30, 2731908), (36, 2276590), (40, 2048931), (45, 1821272), (60, 1365954), (72, 1138295), (90, 910636), (97, 844920), (120, 682977), (180, 455318), (194, 422460), (291, 281640), (360, 227659), (388, 211230), (485, 168984), (582, 140820), (776, 105615), (873, 93880), (970, 84492), (1164, 70410), (1455, 56328), (1746, 46940), (1940, 42246), (2328, 35205), (2347, 34920), (2910, 28164), (3492, 23470), (3880, 21123), (4365, 18776), (4694, 17460), (5820, 14082), (6984, 11735), (7041, 11640), (8730, 9388)]