155212960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1158

約数の個数: 96

約数和(自身を含む): 422513280

約数和(自身を除く): 267300320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 139, 140, 160, 224, 278, 280, 556, 560, 695, 973, 997, 1112, 1120, 1390, 1946, 1994, 2224, 2780, 3892, 3988, 4448, 4865, 4985, 5560, 6979, 7784, 7976, 9730, 9970, 11120, 13958, 15568, 15952, 19460, 19940, 22240, 27916, 31136, 31904, 34895, 38920, 39880, 55832, 69790, 77840, 79760, 111664, 138583, 139580, 155680, 159520, 223328, 277166, 279160, 554332, 558320, 692915, 970081, 1108664, 1116640, 1385830, 1940162, 2217328, 2771660, 3880324, 4434656, 4850405, 5543320, 7760648, 9700810, 11086640, 15521296, 19401620, 22173280, 31042592, 38803240, 77606480, 155212960]

約数ペア:

[(1, 155212960), (2, 77606480), (4, 38803240), (5, 31042592), (7, 22173280), (8, 19401620), (10, 15521296), (14, 11086640), (16, 9700810), (20, 7760648), (28, 5543320), (32, 4850405), (35, 4434656), (40, 3880324), (56, 2771660), (70, 2217328), (80, 1940162), (112, 1385830), (139, 1116640), (140, 1108664), (160, 970081), (224, 692915), (278, 558320), (280, 554332), (556, 279160), (560, 277166), (695, 223328), (973, 159520), (997, 155680), (1112, 139580), (1120, 138583), (1390, 111664), (1946, 79760), (1994, 77840), (2224, 69790), (2780, 55832), (3892, 39880), (3988, 38920), (4448, 34895), (4865, 31904), (4985, 31136), (5560, 27916), (6979, 22240), (7784, 19940), (7976, 19460), (9730, 15952), (9970, 15568), (11120, 13958)]