1794320720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{1759}}^1$

素因数の和:2124

約数の個数: 80

約数和(自身を含む): 4289725440

約数和(自身を除く): 2495404720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 311, 328, 410, 622, 656, 820, 1244, 1555, 1640, 1759, 2488, 3110, 3280, 3518, 4976, 6220, 7036, 8795, 12440, 12751, 14072, 17590, 24880, 25502, 28144, 35180, 51004, 63755, 70360, 72119, 102008, 127510, 140720, 144238, 204016, 255020, 288476, 360595, 510040, 547049, 576952, 721190, 1020080, 1094098, 1153904, 1442380, 2188196, 2735245, 2884760, 4376392, 5470490, 5769520, 8752784, 10940980, 21881960, 22429009, 43763920, 44858018, 89716036, 112145045, 179432072, 224290090, 358864144, 448580180, 897160360, 1794320720]

約数ペア:

[(1, 1794320720), (2, 897160360), (4, 448580180), (5, 358864144), (8, 224290090), (10, 179432072), (16, 112145045), (20, 89716036), (40, 44858018), (41, 43763920), (80, 22429009), (82, 21881960), (164, 10940980), (205, 8752784), (311, 5769520), (328, 5470490), (410, 4376392), (622, 2884760), (656, 2735245), (820, 2188196), (1244, 1442380), (1555, 1153904), (1640, 1094098), (1759, 1020080), (2488, 721190), (3110, 576952), (3280, 547049), (3518, 510040), (4976, 360595), (6220, 288476), (7036, 255020), (8795, 204016), (12440, 144238), (12751, 140720), (14072, 127510), (17590, 102008), (24880, 72119), (25502, 70360), (28144, 63755), (35180, 51004)]