131409520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2531}}^1$

素因数の和:2614

約数の個数: 80

約数和(自身を含む): 339085440

約数和(自身を除く): 207675920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 590, 649, 880, 944, 1180, 1298, 2360, 2531, 2596, 3245, 4720, 5062, 5192, 6490, 10124, 10384, 12655, 12980, 20248, 25310, 25960, 27841, 40496, 50620, 51920, 55682, 101240, 111364, 139205, 149329, 202480, 222728, 278410, 298658, 445456, 556820, 597316, 746645, 1113640, 1194632, 1493290, 1642619, 2227280, 2389264, 2986580, 3285238, 5973160, 6570476, 8213095, 11946320, 13140952, 16426190, 26281904, 32852380, 65704760, 131409520]

約数ペア:

[(1, 131409520), (2, 65704760), (4, 32852380), (5, 26281904), (8, 16426190), (10, 13140952), (11, 11946320), (16, 8213095), (20, 6570476), (22, 5973160), (40, 3285238), (44, 2986580), (55, 2389264), (59, 2227280), (80, 1642619), (88, 1493290), (110, 1194632), (118, 1113640), (176, 746645), (220, 597316), (236, 556820), (295, 445456), (440, 298658), (472, 278410), (590, 222728), (649, 202480), (880, 149329), (944, 139205), (1180, 111364), (1298, 101240), (2360, 55682), (2531, 51920), (2596, 50620), (3245, 40496), (4720, 27841), (5062, 25960), (5192, 25310), (6490, 20248), (10124, 12980), (10384, 12655)]