647528520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{76001}}^1$

素因数の和:76086

約数の個数: 64

約数和(自身を含む): 1969971840

約数和(自身を除く): 1322443320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 76001, 152002, 228003, 304004, 380005, 456006, 608008, 760010, 912012, 1140015, 1520020, 1824024, 2280030, 3040040, 4560060, 5396071, 9120120, 10792142, 16188213, 21584284, 26980355, 32376426, 43168568, 53960710, 64752852, 80941065, 107921420, 129505704, 161882130, 215842840, 323764260, 647528520]

約数ペア:

[(1, 647528520), (2, 323764260), (3, 215842840), (4, 161882130), (5, 129505704), (6, 107921420), (8, 80941065), (10, 64752852), (12, 53960710), (15, 43168568), (20, 32376426), (24, 26980355), (30, 21584284), (40, 16188213), (60, 10792142), (71, 9120120), (120, 5396071), (142, 4560060), (213, 3040040), (284, 2280030), (355, 1824024), (426, 1520020), (568, 1140015), (710, 912012), (852, 760010), (1065, 608008), (1420, 456006), (1704, 380005), (2130, 304004), (2840, 228003), (4260, 152002), (8520, 76001)]