7279712520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61339}}^1$

素因数の和:61419

約数の個数: 128

約数和(自身を含む): 23319014400

約数和(自身を除く): 16039301880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 460, 516, 552, 645, 690, 860, 920, 989, 1032, 1290, 1380, 1720, 1978, 2580, 2760, 2967, 3956, 4945, 5160, 5934, 7912, 9890, 11868, 14835, 19780, 23736, 29670, 39560, 59340, 61339, 118680, 122678, 184017, 245356, 306695, 368034, 490712, 613390, 736068, 920085, 1226780, 1410797, 1472136, 1840170, 2453560, 2637577, 2821594, 3680340, 4232391, 5275154, 5643188, 7053985, 7360680, 7912731, 8464782, 10550308, 11286376, 13187885, 14107970, 15825462, 16929564, 21100616, 21161955, 26375770, 28215940, 31650924, 33859128, 39563655, 42323910, 52751540, 56431880, 60664271, 63301848, 79127310, 84647820, 105503080, 121328542, 158254620, 169295640, 181992813, 242657084, 303321355, 316509240, 363985626, 485314168, 606642710, 727971252, 909964065, 1213285420, 1455942504, 1819928130, 2426570840, 3639856260, 7279712520]

約数ペア:

[(1, 7279712520), (2, 3639856260), (3, 2426570840), (4, 1819928130), (5, 1455942504), (6, 1213285420), (8, 909964065), (10, 727971252), (12, 606642710), (15, 485314168), (20, 363985626), (23, 316509240), (24, 303321355), (30, 242657084), (40, 181992813), (43, 169295640), (46, 158254620), (60, 121328542), (69, 105503080), (86, 84647820), (92, 79127310), (115, 63301848), (120, 60664271), (129, 56431880), (138, 52751540), (172, 42323910), (184, 39563655), (215, 33859128), (230, 31650924), (258, 28215940), (276, 26375770), (344, 21161955), (345, 21100616), (430, 16929564), (460, 15825462), (516, 14107970), (552, 13187885), (645, 11286376), (690, 10550308), (860, 8464782), (920, 7912731), (989, 7360680), (1032, 7053985), (1290, 5643188), (1380, 5275154), (1720, 4232391), (1978, 3680340), (2580, 2821594), (2760, 2637577), (2967, 2453560), (3956, 1840170), (4945, 1472136), (5160, 1410797), (5934, 1226780), (7912, 920085), (9890, 736068), (11868, 613390), (14835, 490712), (19780, 368034), (23736, 306695), (29670, 245356), (39560, 184017), (59340, 122678), (61339, 118680)]