120457720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{449}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 286740000

約数和(自身を除く): 166282280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 353, 380, 449, 706, 760, 898, 1412, 1765, 1796, 2245, 2824, 3530, 3592, 4490, 6707, 7060, 8531, 8980, 13414, 14120, 17062, 17960, 26828, 33535, 34124, 42655, 53656, 67070, 68248, 85310, 134140, 158497, 170620, 268280, 316994, 341240, 633988, 792485, 1267976, 1584970, 3011443, 3169940, 6022886, 6339880, 12045772, 15057215, 24091544, 30114430, 60228860, 120457720]

約数ペア:

[(1, 120457720), (2, 60228860), (4, 30114430), (5, 24091544), (8, 15057215), (10, 12045772), (19, 6339880), (20, 6022886), (38, 3169940), (40, 3011443), (76, 1584970), (95, 1267976), (152, 792485), (190, 633988), (353, 341240), (380, 316994), (449, 268280), (706, 170620), (760, 158497), (898, 134140), (1412, 85310), (1765, 68248), (1796, 67070), (2245, 53656), (2824, 42655), (3530, 34124), (3592, 33535), (4490, 26828), (6707, 17960), (7060, 17062), (8531, 14120), (8980, 13414)]