1581918660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1$

素因数の和:928

約数の個数: 240

約数和(自身を含む): 5708102400

約数和(自身を除く): 4126183740

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, 701, 756, 796, 810, 945, 995, 1134, 1194, 1260, 1393, 1402, 1620, 1791, 1890, 1990, 2103, 2268, 2388, 2786, 2804, 2835, 2985, 3505, 3582, 3780, 3980, 4179, 4206, 4907, 5373, 5572, 5670, 5970, 6309, 6965, 7010, 7164, 8358, 8412, 8955, 9814, 10515, 10746, 11340, 11940, 12537, 12618, 13930, 14020, 14721, 16119, 16716, 17910, 18927, 19628, 20895, 21030, 21492, 24535, 25074, 25236, 26865, 27860, 29442, 31545, 32238, 35820, 37611, 37854, 41790, 42060, 44163, 49070, 50148, 53730, 56781, 58884, 62685, 63090, 64476, 73605, 75222, 75708, 80595, 83580, 88326, 94635, 98140, 107460, 112833, 113562, 125370, 126180, 132489, 139499, 147210, 150444, 161190, 176652, 188055, 189270, 220815, 225666, 227124, 250740, 264978, 278998, 283905, 294420, 322380, 376110, 378540, 397467, 418497, 441630, 451332, 529956, 557996, 564165, 567810, 662445, 697495, 752220, 794934, 836994, 883260, 976493, 1128330, 1135620, 1255491, 1324890, 1394990, 1589868, 1673988, 1952986, 1987335, 2092485, 2256660, 2510982, 2649780, 2789980, 2929479, 3766473, 3905972, 3974670, 4184970, 4882465, 5021964, 5858958, 6277455, 7532946, 7949340, 8369940, 8788437, 9764930, 11299419, 11717916, 12554910, 14647395, 15065892, 17576874, 18832365, 19529860, 22598838, 25109820, 26365311, 29294790, 35153748, 37664730, 43942185, 45197676, 52730622, 56497095, 58589580, 75329460, 79095933, 87884370, 105461244, 112994190, 131826555, 158191866, 175768740, 225988380, 263653110, 316383732, 395479665, 527306220, 790959330, 1581918660]

約数ペア:

[(1, 1581918660), (2, 790959330), (3, 527306220), (4, 395479665), (5, 316383732), (6, 263653110), (7, 225988380), (9, 175768740), (10, 158191866), (12, 131826555), (14, 112994190), (15, 105461244), (18, 87884370), (20, 79095933), (21, 75329460), (27, 58589580), (28, 56497095), (30, 52730622), (35, 45197676), (36, 43942185), (42, 37664730), (45, 35153748), (54, 29294790), (60, 26365311), (63, 25109820), (70, 22598838), (81, 19529860), (84, 18832365), (90, 17576874), (105, 15065892), (108, 14647395), (126, 12554910), (135, 11717916), (140, 11299419), (162, 9764930), (180, 8788437), (189, 8369940), (199, 7949340), (210, 7532946), (252, 6277455), (270, 5858958), (315, 5021964), (324, 4882465), (378, 4184970), (398, 3974670), (405, 3905972), (420, 3766473), (540, 2929479), (567, 2789980), (597, 2649780), (630, 2510982), (701, 2256660), (756, 2092485), (796, 1987335), (810, 1952986), (945, 1673988), (995, 1589868), (1134, 1394990), (1194, 1324890), (1260, 1255491), (1393, 1135620), (1402, 1128330), (1620, 976493), (1791, 883260), (1890, 836994), (1990, 794934), (2103, 752220), (2268, 697495), (2388, 662445), (2786, 567810), (2804, 564165), (2835, 557996), (2985, 529956), (3505, 451332), (3582, 441630), (3780, 418497), (3980, 397467), (4179, 378540), (4206, 376110), (4907, 322380), (5373, 294420), (5572, 283905), (5670, 278998), (5970, 264978), (6309, 250740), (6965, 227124), (7010, 225666), (7164, 220815), (8358, 189270), (8412, 188055), (8955, 176652), (9814, 161190), (10515, 150444), (10746, 147210), (11340, 139499), (11940, 132489), (12537, 126180), (12618, 125370), (13930, 113562), (14020, 112833), (14721, 107460), (16119, 98140), (16716, 94635), (17910, 88326), (18927, 83580), (19628, 80595), (20895, 75708), (21030, 75222), (21492, 73605), (24535, 64476), (25074, 63090), (25236, 62685), (26865, 58884), (27860, 56781), (29442, 53730), (31545, 50148), (32238, 49070), (35820, 44163), (37611, 42060), (37854, 41790)]