81361950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{499}}^1\times {\mathrm{1087}}^1$

素因数の和:1601

約数の個数: 48

約数和(自身を含む): 202368000

約数和(自身を除く): 121006050

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 499, 998, 1087, 1497, 2174, 2495, 2994, 3261, 4990, 5435, 6522, 7485, 10870, 12475, 14970, 16305, 24950, 27175, 32610, 37425, 54350, 74850, 81525, 163050, 542413, 1084826, 1627239, 2712065, 3254478, 5424130, 8136195, 13560325, 16272390, 27120650, 40680975, 81361950]

約数ペア:

[(1, 81361950), (2, 40680975), (3, 27120650), (5, 16272390), (6, 13560325), (10, 8136195), (15, 5424130), (25, 3254478), (30, 2712065), (50, 1627239), (75, 1084826), (150, 542413), (499, 163050), (998, 81525), (1087, 74850), (1497, 54350), (2174, 37425), (2495, 32610), (2994, 27175), (3261, 24950), (4990, 16305), (5435, 14970), (6522, 12475), (7485, 10870)]