29921640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 103680000

約数和(自身を除く): 73758360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 179, 199, 210, 280, 358, 398, 420, 537, 597, 716, 796, 840, 895, 995, 1074, 1194, 1253, 1393, 1432, 1592, 1790, 1990, 2148, 2388, 2506, 2685, 2786, 2985, 3580, 3759, 3980, 4179, 4296, 4776, 5012, 5370, 5572, 5970, 6265, 6965, 7160, 7518, 7960, 8358, 10024, 10740, 11144, 11940, 12530, 13930, 15036, 16716, 18795, 20895, 21480, 23880, 25060, 27860, 30072, 33432, 35621, 37590, 41790, 50120, 55720, 71242, 75180, 83580, 106863, 142484, 150360, 167160, 178105, 213726, 249347, 284968, 356210, 427452, 498694, 534315, 712420, 748041, 854904, 997388, 1068630, 1246735, 1424840, 1496082, 1994776, 2137260, 2493470, 2992164, 3740205, 4274520, 4986940, 5984328, 7480410, 9973880, 14960820, 29921640]

約数ペア:

[(1, 29921640), (2, 14960820), (3, 9973880), (4, 7480410), (5, 5984328), (6, 4986940), (7, 4274520), (8, 3740205), (10, 2992164), (12, 2493470), (14, 2137260), (15, 1994776), (20, 1496082), (21, 1424840), (24, 1246735), (28, 1068630), (30, 997388), (35, 854904), (40, 748041), (42, 712420), (56, 534315), (60, 498694), (70, 427452), (84, 356210), (105, 284968), (120, 249347), (140, 213726), (168, 178105), (179, 167160), (199, 150360), (210, 142484), (280, 106863), (358, 83580), (398, 75180), (420, 71242), (537, 55720), (597, 50120), (716, 41790), (796, 37590), (840, 35621), (895, 33432), (995, 30072), (1074, 27860), (1194, 25060), (1253, 23880), (1393, 21480), (1432, 20895), (1592, 18795), (1790, 16716), (1990, 15036), (2148, 13930), (2388, 12530), (2506, 11940), (2685, 11144), (2786, 10740), (2985, 10024), (3580, 8358), (3759, 7960), (3980, 7518), (4179, 7160), (4296, 6965), (4776, 6265), (5012, 5970), (5370, 5572)]