78842340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2447}}^1$

素因数の和:2641

約数の個数: 72

約数和(自身を含む): 240589440

約数和(自身を除く): 161747100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2148, 2447, 2685, 3222, 3580, 4894, 5370, 6444, 7341, 8055, 9788, 10740, 12235, 14682, 16110, 22023, 24470, 29364, 32220, 36705, 44046, 48940, 73410, 88092, 110115, 146820, 220230, 438013, 440460, 876026, 1314039, 1752052, 2190065, 2628078, 3942117, 4380130, 5256156, 6570195, 7884234, 8760260, 13140390, 15768468, 19710585, 26280780, 39421170, 78842340]

約数ペア:

[(1, 78842340), (2, 39421170), (3, 26280780), (4, 19710585), (5, 15768468), (6, 13140390), (9, 8760260), (10, 7884234), (12, 6570195), (15, 5256156), (18, 4380130), (20, 3942117), (30, 2628078), (36, 2190065), (45, 1752052), (60, 1314039), (90, 876026), (179, 440460), (180, 438013), (358, 220230), (537, 146820), (716, 110115), (895, 88092), (1074, 73410), (1611, 48940), (1790, 44046), (2148, 36705), (2447, 32220), (2685, 29364), (3222, 24470), (3580, 22023), (4894, 16110), (5370, 14682), (6444, 12235), (7341, 10740), (8055, 9788)]