320778750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{113}}^1\times {\mathrm{757}}^1$

素因数の和:895

約数の個数: 80

約数和(自身を含む): 809853264

約数和(自身を除く): 489074514

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 113, 125, 150, 226, 250, 339, 375, 565, 625, 678, 750, 757, 1130, 1250, 1514, 1695, 1875, 2271, 2825, 3390, 3750, 3785, 4542, 5650, 7570, 8475, 11355, 14125, 16950, 18925, 22710, 28250, 37850, 42375, 56775, 70625, 84750, 85541, 94625, 113550, 141250, 171082, 189250, 211875, 256623, 283875, 423750, 427705, 473125, 513246, 567750, 855410, 946250, 1283115, 1419375, 2138525, 2566230, 2838750, 4277050, 6415575, 10692625, 12831150, 21385250, 32077875, 53463125, 64155750, 106926250, 160389375, 320778750]

約数ペア:

[(1, 320778750), (2, 160389375), (3, 106926250), (5, 64155750), (6, 53463125), (10, 32077875), (15, 21385250), (25, 12831150), (30, 10692625), (50, 6415575), (75, 4277050), (113, 2838750), (125, 2566230), (150, 2138525), (226, 1419375), (250, 1283115), (339, 946250), (375, 855410), (565, 567750), (625, 513246), (678, 473125), (750, 427705), (757, 423750), (1130, 283875), (1250, 256623), (1514, 211875), (1695, 189250), (1875, 171082), (2271, 141250), (2825, 113550), (3390, 94625), (3750, 85541), (3785, 84750), (4542, 70625), (5650, 56775), (7570, 42375), (8475, 37850), (11355, 28250), (14125, 22710), (16950, 18925)]