16399980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{509}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 50122800

約数和(自身を除く): 33722820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 509, 537, 716, 895, 1018, 1074, 1527, 1611, 1790, 2036, 2148, 2545, 2685, 3054, 3222, 3580, 4581, 5090, 5370, 6108, 6444, 7635, 8055, 9162, 10180, 10740, 15270, 16110, 18324, 22905, 30540, 32220, 45810, 91111, 91620, 182222, 273333, 364444, 455555, 546666, 819999, 911110, 1093332, 1366665, 1639998, 1822220, 2733330, 3279996, 4099995, 5466660, 8199990, 16399980]

約数ペア:

[(1, 16399980), (2, 8199990), (3, 5466660), (4, 4099995), (5, 3279996), (6, 2733330), (9, 1822220), (10, 1639998), (12, 1366665), (15, 1093332), (18, 911110), (20, 819999), (30, 546666), (36, 455555), (45, 364444), (60, 273333), (90, 182222), (179, 91620), (180, 91111), (358, 45810), (509, 32220), (537, 30540), (716, 22905), (895, 18324), (1018, 16110), (1074, 15270), (1527, 10740), (1611, 10180), (1790, 9162), (2036, 8055), (2148, 7635), (2545, 6444), (2685, 6108), (3054, 5370), (3222, 5090), (3580, 4581)]