217371840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{4621}}^1$

素因数の和:4655

約数の個数: 168

約数和(自身を含む): 803007792

約数和(自身を除く): 585635952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4621, 4704, 5880, 6720, 7840, 9242, 9408, 11760, 13863, 15680, 18484, 23105, 23520, 27726, 32347, 36968, 46210, 47040, 55452, 64694, 69315, 73936, 92420, 97041, 110904, 129388, 138630, 147872, 161735, 184840, 194082, 221808, 226429, 258776, 277260, 295744, 323470, 369680, 388164, 443616, 452858, 485205, 517552, 554520, 646940, 679287, 739360, 776328, 887232, 905716, 970410, 1035104, 1109040, 1132145, 1293880, 1358574, 1478720, 1552656, 1811432, 1940820, 2070208, 2218080, 2264290, 2587760, 2717148, 3105312, 3396435, 3622864, 3881640, 4436160, 4528580, 5175520, 5434296, 6210624, 6792870, 7245728, 7763280, 9057160, 10351040, 10868592, 13585740, 14491456, 15526560, 18114320, 21737184, 27171480, 31053120, 36228640, 43474368, 54342960, 72457280, 108685920, 217371840]

約数ペア:

[(1, 217371840), (2, 108685920), (3, 72457280), (4, 54342960), (5, 43474368), (6, 36228640), (7, 31053120), (8, 27171480), (10, 21737184), (12, 18114320), (14, 15526560), (15, 14491456), (16, 13585740), (20, 10868592), (21, 10351040), (24, 9057160), (28, 7763280), (30, 7245728), (32, 6792870), (35, 6210624), (40, 5434296), (42, 5175520), (48, 4528580), (49, 4436160), (56, 3881640), (60, 3622864), (64, 3396435), (70, 3105312), (80, 2717148), (84, 2587760), (96, 2264290), (98, 2218080), (105, 2070208), (112, 1940820), (120, 1811432), (140, 1552656), (147, 1478720), (160, 1358574), (168, 1293880), (192, 1132145), (196, 1109040), (210, 1035104), (224, 970410), (240, 905716), (245, 887232), (280, 776328), (294, 739360), (320, 679287), (336, 646940), (392, 554520), (420, 517552), (448, 485205), (480, 452858), (490, 443616), (560, 388164), (588, 369680), (672, 323470), (735, 295744), (784, 277260), (840, 258776), (960, 226429), (980, 221808), (1120, 194082), (1176, 184840), (1344, 161735), (1470, 147872), (1568, 138630), (1680, 129388), (1960, 110904), (2240, 97041), (2352, 92420), (2940, 73936), (3136, 69315), (3360, 64694), (3920, 55452), (4621, 47040), (4704, 46210), (5880, 36968), (6720, 32347), (7840, 27726), (9242, 23520), (9408, 23105), (11760, 18484), (13863, 15680)]