65518240

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 161663040

約数和(自身を除く): 96144800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 89, 107, 160, 172, 178, 214, 215, 344, 356, 428, 430, 445, 535, 688, 712, 856, 860, 890, 1070, 1376, 1424, 1712, 1720, 1780, 2140, 2848, 3424, 3440, 3560, 3827, 4280, 4601, 6880, 7120, 7654, 8560, 9202, 9523, 14240, 15308, 17120, 18404, 19046, 19135, 23005, 30616, 36808, 38092, 38270, 46010, 47615, 61232, 73616, 76184, 76540, 92020, 95230, 122464, 147232, 152368, 153080, 184040, 190460, 304736, 306160, 368080, 380920, 409489, 612320, 736160, 761840, 818978, 1523680, 1637956, 2047445, 3275912, 4094890, 6551824, 8189780, 13103648, 16379560, 32759120, 65518240]

約数ペア:

[(1, 65518240), (2, 32759120), (4, 16379560), (5, 13103648), (8, 8189780), (10, 6551824), (16, 4094890), (20, 3275912), (32, 2047445), (40, 1637956), (43, 1523680), (80, 818978), (86, 761840), (89, 736160), (107, 612320), (160, 409489), (172, 380920), (178, 368080), (214, 306160), (215, 304736), (344, 190460), (356, 184040), (428, 153080), (430, 152368), (445, 147232), (535, 122464), (688, 95230), (712, 92020), (856, 76540), (860, 76184), (890, 73616), (1070, 61232), (1376, 47615), (1424, 46010), (1712, 38270), (1720, 38092), (1780, 36808), (2140, 30616), (2848, 23005), (3424, 19135), (3440, 19046), (3560, 18404), (3827, 17120), (4280, 15308), (4601, 14240), (6880, 9523), (7120, 9202), (7654, 8560)]