1228397640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{617}}^1$

素因数の和:1031

約数の個数: 128

約数和(自身を含む): 3780380160

約数和(自身を除く): 2551982520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 353, 376, 470, 564, 617, 705, 706, 940, 1059, 1128, 1234, 1410, 1412, 1765, 1851, 1880, 2118, 2468, 2820, 2824, 3085, 3530, 3702, 4236, 4936, 5295, 5640, 6170, 7060, 7404, 8472, 9255, 10590, 12340, 14120, 14808, 16591, 18510, 21180, 24680, 28999, 33182, 37020, 42360, 49773, 57998, 66364, 74040, 82955, 86997, 99546, 115996, 132728, 144995, 165910, 173994, 199092, 217801, 231992, 248865, 289990, 331820, 347988, 398184, 434985, 435602, 497730, 579980, 653403, 663640, 695976, 869970, 871204, 995460, 1089005, 1159960, 1306806, 1739940, 1742408, 1990920, 2178010, 2613612, 3267015, 3479880, 4356020, 5227224, 6534030, 8712040, 10236647, 13068060, 20473294, 26136120, 30709941, 40946588, 51183235, 61419882, 81893176, 102366470, 122839764, 153549705, 204732940, 245679528, 307099410, 409465880, 614198820, 1228397640]

約数ペア:

[(1, 1228397640), (2, 614198820), (3, 409465880), (4, 307099410), (5, 245679528), (6, 204732940), (8, 153549705), (10, 122839764), (12, 102366470), (15, 81893176), (20, 61419882), (24, 51183235), (30, 40946588), (40, 30709941), (47, 26136120), (60, 20473294), (94, 13068060), (120, 10236647), (141, 8712040), (188, 6534030), (235, 5227224), (282, 4356020), (353, 3479880), (376, 3267015), (470, 2613612), (564, 2178010), (617, 1990920), (705, 1742408), (706, 1739940), (940, 1306806), (1059, 1159960), (1128, 1089005), (1234, 995460), (1410, 871204), (1412, 869970), (1765, 695976), (1851, 663640), (1880, 653403), (2118, 579980), (2468, 497730), (2820, 435602), (2824, 434985), (3085, 398184), (3530, 347988), (3702, 331820), (4236, 289990), (4936, 248865), (5295, 231992), (5640, 217801), (6170, 199092), (7060, 173994), (7404, 165910), (8472, 144995), (9255, 132728), (10590, 115996), (12340, 99546), (14120, 86997), (14808, 82955), (16591, 74040), (18510, 66364), (21180, 57998), (24680, 49773), (28999, 42360), (33182, 37020)]