31247970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4217}}^1$

素因数の和:4259

約数の個数: 64

約数和(自身を含む): 85034880

約数和(自身を除く): 53786910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 3705, 4217, 7410, 8434, 12651, 21085, 25302, 42170, 54821, 63255, 80123, 109642, 126510, 160246, 164463, 240369, 274105, 328926, 400615, 480738, 548210, 801230, 822315, 1041599, 1201845, 1644630, 2083198, 2403690, 3124797, 5207995, 6249594, 10415990, 15623985, 31247970]

約数ペア:

[(1, 31247970), (2, 15623985), (3, 10415990), (5, 6249594), (6, 5207995), (10, 3124797), (13, 2403690), (15, 2083198), (19, 1644630), (26, 1201845), (30, 1041599), (38, 822315), (39, 801230), (57, 548210), (65, 480738), (78, 400615), (95, 328926), (114, 274105), (130, 240369), (190, 164463), (195, 160246), (247, 126510), (285, 109642), (390, 80123), (494, 63255), (570, 54821), (741, 42170), (1235, 25302), (1482, 21085), (2470, 12651), (3705, 8434), (4217, 7410)]