12447280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{431}}^1$

素因数の和:482

約数の個数: 60

約数和(自身を含む): 30614112

約数和(自身を除く): 18166832

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 431, 722, 760, 862, 1444, 1520, 1724, 1805, 2155, 2888, 3448, 3610, 4310, 5776, 6896, 7220, 8189, 8620, 14440, 16378, 17240, 28880, 32756, 34480, 40945, 65512, 81890, 131024, 155591, 163780, 311182, 327560, 622364, 655120, 777955, 1244728, 1555910, 2489456, 3111820, 6223640, 12447280]

約数ペア:

[(1, 12447280), (2, 6223640), (4, 3111820), (5, 2489456), (8, 1555910), (10, 1244728), (16, 777955), (19, 655120), (20, 622364), (38, 327560), (40, 311182), (76, 163780), (80, 155591), (95, 131024), (152, 81890), (190, 65512), (304, 40945), (361, 34480), (380, 32756), (431, 28880), (722, 17240), (760, 16378), (862, 14440), (1444, 8620), (1520, 8189), (1724, 7220), (1805, 6896), (2155, 5776), (2888, 4310), (3448, 3610)]