21734640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30187}}^1$

素因数の和:30206

約数の個数: 60

約数和(自身を含む): 72994584

約数和(自身を除く): 51259944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30187, 60374, 90561, 120748, 150935, 181122, 241496, 271683, 301870, 362244, 452805, 482992, 543366, 603740, 724488, 905610, 1086732, 1207480, 1358415, 1448976, 1811220, 2173464, 2414960, 2716830, 3622440, 4346928, 5433660, 7244880, 10867320, 21734640]

約数ペア:

[(1, 21734640), (2, 10867320), (3, 7244880), (4, 5433660), (5, 4346928), (6, 3622440), (8, 2716830), (9, 2414960), (10, 2173464), (12, 1811220), (15, 1448976), (16, 1358415), (18, 1207480), (20, 1086732), (24, 905610), (30, 724488), (36, 603740), (40, 543366), (45, 482992), (48, 452805), (60, 362244), (72, 301870), (80, 271683), (90, 241496), (120, 181122), (144, 150935), (180, 120748), (240, 90561), (360, 60374), (720, 30187)]