78871875

素因数分解:

$3^1\times 5^5\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 134991360

約数和(自身を除く): 56119485

約数列:

[1, 3, 5, 15, 25, 47, 75, 125, 141, 179, 235, 375, 537, 625, 705, 895, 1175, 1875, 2685, 3125, 3525, 4475, 5875, 8413, 9375, 13425, 17625, 22375, 25239, 29375, 42065, 67125, 88125, 111875, 126195, 146875, 210325, 335625, 440625, 559375, 630975, 1051625, 1678125, 3154875, 5258125, 15774375, 26290625, 78871875]

約数ペア:

[(1, 78871875), (3, 26290625), (5, 15774375), (15, 5258125), (25, 3154875), (47, 1678125), (75, 1051625), (125, 630975), (141, 559375), (179, 440625), (235, 335625), (375, 210325), (537, 146875), (625, 126195), (705, 111875), (895, 88125), (1175, 67125), (1875, 42065), (2685, 29375), (3125, 25239), (3525, 22375), (4475, 17625), (5875, 13425), (8413, 9375)]