164205075

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 284981760

約数和(自身を除く): 120776685

約数列:

[1, 3, 5, 15, 25, 37, 47, 75, 111, 141, 185, 235, 555, 705, 925, 1175, 1259, 1739, 2775, 3525, 3777, 5217, 6295, 8695, 18885, 26085, 31475, 43475, 46583, 59173, 94425, 130425, 139749, 177519, 232915, 295865, 698745, 887595, 1164575, 1479325, 2189401, 3493725, 4437975, 6568203, 10947005, 32841015, 54735025, 164205075]

約数ペア:

[(1, 164205075), (3, 54735025), (5, 32841015), (15, 10947005), (25, 6568203), (37, 4437975), (47, 3493725), (75, 2189401), (111, 1479325), (141, 1164575), (185, 887595), (235, 698745), (555, 295865), (705, 232915), (925, 177519), (1175, 139749), (1259, 130425), (1739, 94425), (2775, 59173), (3525, 46583), (3777, 43475), (5217, 31475), (6295, 26085), (8695, 18885)]