81784440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1447}}^1$

素因数の和:1621

約数の個数: 96

約数和(自身を含む): 267677280

約数和(自身を除く): 185892840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 314, 360, 471, 628, 785, 942, 1256, 1413, 1447, 1570, 1884, 2355, 2826, 2894, 3140, 3768, 4341, 4710, 5652, 5788, 6280, 7065, 7235, 8682, 9420, 11304, 11576, 13023, 14130, 14470, 17364, 18840, 21705, 26046, 28260, 28940, 34728, 43410, 52092, 56520, 57880, 65115, 86820, 104184, 130230, 173640, 227179, 260460, 454358, 520920, 681537, 908716, 1135895, 1363074, 1817432, 2044611, 2271790, 2726148, 3407685, 4089222, 4543580, 5452296, 6815370, 8178444, 9087160, 10223055, 13630740, 16356888, 20446110, 27261480, 40892220, 81784440]

約数ペア:

[(1, 81784440), (2, 40892220), (3, 27261480), (4, 20446110), (5, 16356888), (6, 13630740), (8, 10223055), (9, 9087160), (10, 8178444), (12, 6815370), (15, 5452296), (18, 4543580), (20, 4089222), (24, 3407685), (30, 2726148), (36, 2271790), (40, 2044611), (45, 1817432), (60, 1363074), (72, 1135895), (90, 908716), (120, 681537), (157, 520920), (180, 454358), (314, 260460), (360, 227179), (471, 173640), (628, 130230), (785, 104184), (942, 86820), (1256, 65115), (1413, 57880), (1447, 56520), (1570, 52092), (1884, 43410), (2355, 34728), (2826, 28940), (2894, 28260), (3140, 26046), (3768, 21705), (4341, 18840), (4710, 17364), (5652, 14470), (5788, 14130), (6280, 13023), (7065, 11576), (7235, 11304), (8682, 9420)]