213399720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{433}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 714446460

約数和(自身を除く): 501046740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 433, 444, 555, 666, 740, 866, 888, 1110, 1299, 1332, 1369, 1480, 1665, 1732, 2165, 2220, 2598, 2664, 2738, 3330, 3464, 3897, 4107, 4330, 4440, 5196, 5476, 6495, 6660, 6845, 7794, 8214, 8660, 10392, 10952, 12321, 12990, 13320, 13690, 15588, 16021, 16428, 17320, 19485, 20535, 24642, 25980, 27380, 31176, 32042, 32856, 38970, 41070, 48063, 49284, 51960, 54760, 61605, 64084, 77940, 80105, 82140, 96126, 98568, 123210, 128168, 144189, 155880, 160210, 164280, 192252, 240315, 246420, 288378, 320420, 384504, 480630, 492840, 576756, 592777, 640840, 720945, 961260, 1153512, 1185554, 1441890, 1778331, 1922520, 2371108, 2883780, 2963885, 3556662, 4742216, 5334993, 5767560, 5927770, 7113324, 8891655, 10669986, 11855540, 14226648, 17783310, 21339972, 23711080, 26674965, 35566620, 42679944, 53349930, 71133240, 106699860, 213399720]

約数ペア:

[(1, 213399720), (2, 106699860), (3, 71133240), (4, 53349930), (5, 42679944), (6, 35566620), (8, 26674965), (9, 23711080), (10, 21339972), (12, 17783310), (15, 14226648), (18, 11855540), (20, 10669986), (24, 8891655), (30, 7113324), (36, 5927770), (37, 5767560), (40, 5334993), (45, 4742216), (60, 3556662), (72, 2963885), (74, 2883780), (90, 2371108), (111, 1922520), (120, 1778331), (148, 1441890), (180, 1185554), (185, 1153512), (222, 961260), (296, 720945), (333, 640840), (360, 592777), (370, 576756), (433, 492840), (444, 480630), (555, 384504), (666, 320420), (740, 288378), (866, 246420), (888, 240315), (1110, 192252), (1299, 164280), (1332, 160210), (1369, 155880), (1480, 144189), (1665, 128168), (1732, 123210), (2165, 98568), (2220, 96126), (2598, 82140), (2664, 80105), (2738, 77940), (3330, 64084), (3464, 61605), (3897, 54760), (4107, 51960), (4330, 49284), (4440, 48063), (5196, 41070), (5476, 38970), (6495, 32856), (6660, 32042), (6845, 31176), (7794, 27380), (8214, 25980), (8660, 24642), (10392, 20535), (10952, 19485), (12321, 17320), (12990, 16428), (13320, 16021), (13690, 15588)]