181440975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 318174080

約数和(自身を除く): 136733105

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 157, 285, 471, 475, 785, 811, 1425, 2355, 2433, 2983, 3925, 4055, 8949, 11775, 12165, 14915, 15409, 20275, 44745, 46227, 60825, 74575, 77045, 127327, 223725, 231135, 381981, 385225, 636635, 1155675, 1909905, 2419213, 3183175, 7257639, 9549525, 12096065, 36288195, 60480325, 181440975]

約数ペア:

[(1, 181440975), (3, 60480325), (5, 36288195), (15, 12096065), (19, 9549525), (25, 7257639), (57, 3183175), (75, 2419213), (95, 1909905), (157, 1155675), (285, 636635), (471, 385225), (475, 381981), (785, 231135), (811, 223725), (1425, 127327), (2355, 77045), (2433, 74575), (2983, 60825), (3925, 46227), (4055, 44745), (8949, 20275), (11775, 15409), (12165, 14915)]