28481490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2851}}^1$

素因数の和:2904

約数の個数: 64

約数和(自身を含む): 78030720

約数和(自身を除く): 49549230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 2851, 3330, 4995, 5702, 8553, 9990, 14255, 17106, 25659, 28510, 42765, 51318, 76977, 85530, 105487, 128295, 153954, 210974, 256590, 316461, 384885, 527435, 632922, 769770, 949383, 1054870, 1582305, 1898766, 2848149, 3164610, 4746915, 5696298, 9493830, 14240745, 28481490]

約数ペア:

[(1, 28481490), (2, 14240745), (3, 9493830), (5, 5696298), (6, 4746915), (9, 3164610), (10, 2848149), (15, 1898766), (18, 1582305), (27, 1054870), (30, 949383), (37, 769770), (45, 632922), (54, 527435), (74, 384885), (90, 316461), (111, 256590), (135, 210974), (185, 153954), (222, 128295), (270, 105487), (333, 85530), (370, 76977), (555, 51318), (666, 42765), (999, 28510), (1110, 25659), (1665, 17106), (1998, 14255), (2851, 9990), (3330, 8553), (4995, 5702)]