67551280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 163516320

約数和(自身を除く): 95965040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 73, 80, 86, 146, 172, 215, 269, 292, 344, 365, 430, 538, 584, 688, 730, 860, 1076, 1168, 1345, 1460, 1720, 2152, 2690, 2920, 3139, 3440, 4304, 5380, 5840, 6278, 10760, 11567, 12556, 15695, 19637, 21520, 23134, 25112, 31390, 39274, 46268, 50224, 57835, 62780, 78548, 92536, 98185, 115670, 125560, 157096, 185072, 196370, 231340, 251120, 314192, 392740, 462680, 785480, 844391, 925360, 1570960, 1688782, 3377564, 4221955, 6755128, 8443910, 13510256, 16887820, 33775640, 67551280]

約数ペア:

[(1, 67551280), (2, 33775640), (4, 16887820), (5, 13510256), (8, 8443910), (10, 6755128), (16, 4221955), (20, 3377564), (40, 1688782), (43, 1570960), (73, 925360), (80, 844391), (86, 785480), (146, 462680), (172, 392740), (215, 314192), (269, 251120), (292, 231340), (344, 196370), (365, 185072), (430, 157096), (538, 125560), (584, 115670), (688, 98185), (730, 92536), (860, 78548), (1076, 62780), (1168, 57835), (1345, 50224), (1460, 46268), (1720, 39274), (2152, 31390), (2690, 25112), (2920, 23134), (3139, 21520), (3440, 19637), (4304, 15695), (5380, 12556), (5840, 11567), (6278, 10760)]