1279743520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{3691}}^1$

素因数の和:3914

約数の個数: 96

約数和(自身を含む): 3315888576

約数和(自身を除く): 2036145056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 197, 220, 352, 394, 440, 788, 880, 985, 1576, 1760, 1970, 2167, 3152, 3691, 3940, 4334, 6304, 7382, 7880, 8668, 10835, 14764, 15760, 17336, 18455, 21670, 29528, 31520, 34672, 36910, 40601, 43340, 59056, 69344, 73820, 81202, 86680, 118112, 147640, 162404, 173360, 203005, 295280, 324808, 346720, 406010, 590560, 649616, 727127, 812020, 1299232, 1454254, 1624040, 2908508, 3248080, 3635635, 5817016, 6496160, 7271270, 7998397, 11634032, 14542540, 15996794, 23268064, 29085080, 31993588, 39991985, 58170160, 63987176, 79983970, 116340320, 127974352, 159967940, 255948704, 319935880, 639871760, 1279743520]

約数ペア:

[(1, 1279743520), (2, 639871760), (4, 319935880), (5, 255948704), (8, 159967940), (10, 127974352), (11, 116340320), (16, 79983970), (20, 63987176), (22, 58170160), (32, 39991985), (40, 31993588), (44, 29085080), (55, 23268064), (80, 15996794), (88, 14542540), (110, 11634032), (160, 7998397), (176, 7271270), (197, 6496160), (220, 5817016), (352, 3635635), (394, 3248080), (440, 2908508), (788, 1624040), (880, 1454254), (985, 1299232), (1576, 812020), (1760, 727127), (1970, 649616), (2167, 590560), (3152, 406010), (3691, 346720), (3940, 324808), (4334, 295280), (6304, 203005), (7382, 173360), (7880, 162404), (8668, 147640), (10835, 118112), (14764, 86680), (15760, 81202), (17336, 73820), (18455, 69344), (21670, 59056), (29528, 43340), (31520, 40601), (34672, 36910)]