405755880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1301}}^1$

素因数の和:1451

約数の個数: 128

約数和(自身を含む): 1282417920

約数和(自身を除く): 876662040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 113, 115, 120, 138, 184, 226, 230, 276, 339, 345, 452, 460, 552, 565, 678, 690, 904, 920, 1130, 1301, 1356, 1380, 1695, 2260, 2599, 2602, 2712, 2760, 3390, 3903, 4520, 5198, 5204, 6505, 6780, 7797, 7806, 10396, 10408, 12995, 13010, 13560, 15594, 15612, 19515, 20792, 25990, 26020, 29923, 31188, 31224, 38985, 39030, 51980, 52040, 59846, 62376, 77970, 78060, 89769, 103960, 119692, 147013, 149615, 155940, 156120, 179538, 239384, 294026, 299230, 311880, 359076, 441039, 448845, 588052, 598460, 718152, 735065, 882078, 897690, 1176104, 1196920, 1470130, 1764156, 1795380, 2205195, 2940260, 3381299, 3528312, 3590760, 4410390, 5880520, 6762598, 8820780, 10143897, 13525196, 16906495, 17641560, 20287794, 27050392, 33812990, 40575588, 50719485, 67625980, 81151176, 101438970, 135251960, 202877940, 405755880]

約数ペア:

[(1, 405755880), (2, 202877940), (3, 135251960), (4, 101438970), (5, 81151176), (6, 67625980), (8, 50719485), (10, 40575588), (12, 33812990), (15, 27050392), (20, 20287794), (23, 17641560), (24, 16906495), (30, 13525196), (40, 10143897), (46, 8820780), (60, 6762598), (69, 5880520), (92, 4410390), (113, 3590760), (115, 3528312), (120, 3381299), (138, 2940260), (184, 2205195), (226, 1795380), (230, 1764156), (276, 1470130), (339, 1196920), (345, 1176104), (452, 897690), (460, 882078), (552, 735065), (565, 718152), (678, 598460), (690, 588052), (904, 448845), (920, 441039), (1130, 359076), (1301, 311880), (1356, 299230), (1380, 294026), (1695, 239384), (2260, 179538), (2599, 156120), (2602, 155940), (2712, 149615), (2760, 147013), (3390, 119692), (3903, 103960), (4520, 89769), (5198, 78060), (5204, 77970), (6505, 62376), (6780, 59846), (7797, 52040), (7806, 51980), (10396, 39030), (10408, 38985), (12995, 31224), (13010, 31188), (13560, 29923), (15594, 26020), (15612, 25990), (19515, 20792)]