7866880040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:739

約数の個数: 128

約数和(自身を含む): 18477504000

約数和(自身を除く): 10610623960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 73, 79, 134, 146, 158, 268, 292, 316, 335, 365, 395, 509, 536, 584, 632, 670, 730, 790, 1018, 1340, 1460, 1580, 2036, 2545, 2680, 2920, 3160, 4072, 4891, 5090, 5293, 5767, 9782, 10180, 10586, 11534, 19564, 20360, 21172, 23068, 24455, 26465, 28835, 34103, 37157, 39128, 40211, 42344, 46136, 48910, 52930, 57670, 68206, 74314, 80422, 97820, 105860, 115340, 136412, 148628, 160844, 170515, 185785, 195640, 201055, 211720, 230680, 272824, 297256, 321688, 341030, 371570, 386389, 402110, 682060, 743140, 772778, 804220, 1364120, 1486280, 1545556, 1608440, 1931945, 2489519, 2694137, 2935403, 3091112, 3863890, 4979038, 5388274, 5870806, 7727780, 9958076, 10776548, 11741612, 12447595, 13470685, 14677015, 15455560, 19916152, 21553096, 23483224, 24895190, 26941370, 29354030, 49790380, 53882740, 58708060, 99580760, 107765480, 117416120, 196672001, 393344002, 786688004, 983360005, 1573376008, 1966720010, 3933440020, 7866880040]

約数ペア:

[(1, 7866880040), (2, 3933440020), (4, 1966720010), (5, 1573376008), (8, 983360005), (10, 786688004), (20, 393344002), (40, 196672001), (67, 117416120), (73, 107765480), (79, 99580760), (134, 58708060), (146, 53882740), (158, 49790380), (268, 29354030), (292, 26941370), (316, 24895190), (335, 23483224), (365, 21553096), (395, 19916152), (509, 15455560), (536, 14677015), (584, 13470685), (632, 12447595), (670, 11741612), (730, 10776548), (790, 9958076), (1018, 7727780), (1340, 5870806), (1460, 5388274), (1580, 4979038), (2036, 3863890), (2545, 3091112), (2680, 2935403), (2920, 2694137), (3160, 2489519), (4072, 1931945), (4891, 1608440), (5090, 1545556), (5293, 1486280), (5767, 1364120), (9782, 804220), (10180, 772778), (10586, 743140), (11534, 682060), (19564, 402110), (20360, 386389), (21172, 371570), (23068, 341030), (24455, 321688), (26465, 297256), (28835, 272824), (34103, 230680), (37157, 211720), (39128, 201055), (40211, 195640), (42344, 185785), (46136, 170515), (48910, 160844), (52930, 148628), (57670, 136412), (68206, 115340), (74314, 105860), (80422, 97820)]