18690563520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{6489779}}^1$

素因数の和:6489802

約数の個数: 84

約数和(自身を含む): 64287760680

約数和(自身を除く): 45597197160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 6489779, 12979558, 19469337, 25959116, 32448895, 38938674, 51918232, 58408011, 64897790, 77877348, 97346685, 103836464, 116816022, 129795580, 155754696, 194693370, 207672928, 233632044, 259591160, 292040055, 311509392, 389386740, 415345856, 467264088, 519182320, 584080110, 623018784, 778773480, 934528176, 1038364640, 1168160220, 1246037568, 1557546960, 1869056352, 2076729280, 2336320440, 3115093920, 3738112704, 4672640880, 6230187840, 9345281760, 18690563520]

約数ペア:

[(1, 18690563520), (2, 9345281760), (3, 6230187840), (4, 4672640880), (5, 3738112704), (6, 3115093920), (8, 2336320440), (9, 2076729280), (10, 1869056352), (12, 1557546960), (15, 1246037568), (16, 1168160220), (18, 1038364640), (20, 934528176), (24, 778773480), (30, 623018784), (32, 584080110), (36, 519182320), (40, 467264088), (45, 415345856), (48, 389386740), (60, 311509392), (64, 292040055), (72, 259591160), (80, 233632044), (90, 207672928), (96, 194693370), (120, 155754696), (144, 129795580), (160, 116816022), (180, 103836464), (192, 97346685), (240, 77877348), (288, 64897790), (320, 58408011), (360, 51918232), (480, 38938674), (576, 32448895), (720, 25959116), (960, 19469337), (1440, 12979558), (2880, 6489779)]