90578960

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 219843072

約数和(自身を除く): 129264112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 71, 74, 80, 142, 148, 185, 284, 296, 355, 370, 431, 568, 592, 710, 740, 862, 1136, 1420, 1480, 1724, 2155, 2627, 2840, 2960, 3448, 4310, 5254, 5680, 6896, 8620, 10508, 13135, 15947, 17240, 21016, 26270, 30601, 31894, 34480, 42032, 52540, 61202, 63788, 79735, 105080, 122404, 127576, 153005, 159470, 210160, 244808, 255152, 306010, 318940, 489616, 612020, 637880, 1132237, 1224040, 1275760, 2264474, 2448080, 4528948, 5661185, 9057896, 11322370, 18115792, 22644740, 45289480, 90578960]

約数ペア:

[(1, 90578960), (2, 45289480), (4, 22644740), (5, 18115792), (8, 11322370), (10, 9057896), (16, 5661185), (20, 4528948), (37, 2448080), (40, 2264474), (71, 1275760), (74, 1224040), (80, 1132237), (142, 637880), (148, 612020), (185, 489616), (284, 318940), (296, 306010), (355, 255152), (370, 244808), (431, 210160), (568, 159470), (592, 153005), (710, 127576), (740, 122404), (862, 105080), (1136, 79735), (1420, 63788), (1480, 61202), (1724, 52540), (2155, 42032), (2627, 34480), (2840, 31894), (2960, 30601), (3448, 26270), (4310, 21016), (5254, 17240), (5680, 15947), (6896, 13135), (8620, 10508)]