65349680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 171978576

約数和(自身を除く): 106628896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 121, 157, 172, 176, 215, 220, 242, 314, 344, 430, 440, 473, 484, 605, 628, 688, 785, 860, 880, 946, 968, 1210, 1256, 1570, 1720, 1727, 1892, 1936, 2365, 2420, 2512, 3140, 3440, 3454, 3784, 4730, 4840, 5203, 6280, 6751, 6908, 7568, 8635, 9460, 9680, 10406, 12560, 13502, 13816, 17270, 18920, 18997, 20812, 26015, 27004, 27632, 33755, 34540, 37840, 37994, 41624, 52030, 54008, 67510, 69080, 74261, 75988, 83248, 94985, 104060, 108016, 135020, 138160, 148522, 151976, 189970, 208120, 270040, 297044, 303952, 371305, 379940, 416240, 540080, 594088, 742610, 759880, 816871, 1188176, 1485220, 1519760, 1633742, 2970440, 3267484, 4084355, 5940880, 6534968, 8168710, 13069936, 16337420, 32674840, 65349680]

約数ペア:

[(1, 65349680), (2, 32674840), (4, 16337420), (5, 13069936), (8, 8168710), (10, 6534968), (11, 5940880), (16, 4084355), (20, 3267484), (22, 2970440), (40, 1633742), (43, 1519760), (44, 1485220), (55, 1188176), (80, 816871), (86, 759880), (88, 742610), (110, 594088), (121, 540080), (157, 416240), (172, 379940), (176, 371305), (215, 303952), (220, 297044), (242, 270040), (314, 208120), (344, 189970), (430, 151976), (440, 148522), (473, 138160), (484, 135020), (605, 108016), (628, 104060), (688, 94985), (785, 83248), (860, 75988), (880, 74261), (946, 69080), (968, 67510), (1210, 54008), (1256, 52030), (1570, 41624), (1720, 37994), (1727, 37840), (1892, 34540), (1936, 33755), (2365, 27632), (2420, 27004), (2512, 26015), (3140, 20812), (3440, 18997), (3454, 18920), (3784, 17270), (4730, 13816), (4840, 13502), (5203, 12560), (6280, 10406), (6751, 9680), (6908, 9460), (7568, 8635)]