221861520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{308141}}^1$

素因数の和:308160

約数の個数: 60

約数和(自身を含む): 745087356

約数和(自身を除く): 523225836

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, 308141, 616282, 924423, 1232564, 1540705, 1848846, 2465128, 2773269, 3081410, 3697692, 4622115, 4930256, 5546538, 6162820, 7395384, 9244230, 11093076, 12325640, 13866345, 14790768, 18488460, 22186152, 24651280, 27732690, 36976920, 44372304, 55465380, 73953840, 110930760, 221861520]

約数ペア:

[(1, 221861520), (2, 110930760), (3, 73953840), (4, 55465380), (5, 44372304), (6, 36976920), (8, 27732690), (9, 24651280), (10, 22186152), (12, 18488460), (15, 14790768), (16, 13866345), (18, 12325640), (20, 11093076), (24, 9244230), (30, 7395384), (36, 6162820), (40, 5546538), (45, 4930256), (48, 4622115), (60, 3697692), (72, 3081410), (80, 2773269), (90, 2465128), (120, 1848846), (144, 1540705), (180, 1232564), (240, 924423), (360, 616282), (720, 308141)]