2256660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{199}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 8131200

約数和(自身を除く): 5874540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 199, 210, 252, 270, 315, 324, 378, 398, 405, 420, 540, 567, 597, 630, 756, 796, 810, 945, 995, 1134, 1194, 1260, 1393, 1620, 1791, 1890, 1990, 2268, 2388, 2786, 2835, 2985, 3582, 3780, 3980, 4179, 5373, 5572, 5670, 5970, 6965, 7164, 8358, 8955, 10746, 11340, 11940, 12537, 13930, 16119, 16716, 17910, 20895, 21492, 25074, 26865, 27860, 32238, 35820, 37611, 41790, 50148, 53730, 62685, 64476, 75222, 80595, 83580, 107460, 112833, 125370, 150444, 161190, 188055, 225666, 250740, 322380, 376110, 451332, 564165, 752220, 1128330, 2256660]

約数ペア:

[(1, 2256660), (2, 1128330), (3, 752220), (4, 564165), (5, 451332), (6, 376110), (7, 322380), (9, 250740), (10, 225666), (12, 188055), (14, 161190), (15, 150444), (18, 125370), (20, 112833), (21, 107460), (27, 83580), (28, 80595), (30, 75222), (35, 64476), (36, 62685), (42, 53730), (45, 50148), (54, 41790), (60, 37611), (63, 35820), (70, 32238), (81, 27860), (84, 26865), (90, 25074), (105, 21492), (108, 20895), (126, 17910), (135, 16716), (140, 16119), (162, 13930), (180, 12537), (189, 11940), (199, 11340), (210, 10746), (252, 8955), (270, 8358), (315, 7164), (324, 6965), (378, 5970), (398, 5670), (405, 5572), (420, 5373), (540, 4179), (567, 3980), (597, 3780), (630, 3582), (756, 2985), (796, 2835), (810, 2786), (945, 2388), (995, 2268), (1134, 1990), (1194, 1890), (1260, 1791), (1393, 1620)]