216871040

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 128

約数和(自身を含む): 567544320

約数和(自身を除く): 350673280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 640, 643, 680, 992, 1054, 1088, 1240, 1286, 1360, 1984, 2108, 2176, 2480, 2572, 2635, 2720, 3215, 3968, 4216, 4960, 5144, 5270, 5440, 6430, 8432, 9920, 10288, 10540, 10880, 10931, 12860, 16864, 19840, 19933, 20576, 21080, 21862, 25720, 33728, 39866, 41152, 42160, 43724, 51440, 54655, 67456, 79732, 82304, 84320, 87448, 99665, 102880, 109310, 159464, 168640, 174896, 199330, 205760, 218620, 318928, 337280, 338861, 349792, 398660, 411520, 437240, 637856, 677722, 699584, 797320, 874480, 1275712, 1355444, 1399168, 1594640, 1694305, 1748960, 2551424, 2710888, 3189280, 3388610, 3497920, 5421776, 6378560, 6777220, 6995840, 10843552, 12757120, 13554440, 21687104, 27108880, 43374208, 54217760, 108435520, 216871040]

約数ペア:

[(1, 216871040), (2, 108435520), (4, 54217760), (5, 43374208), (8, 27108880), (10, 21687104), (16, 13554440), (17, 12757120), (20, 10843552), (31, 6995840), (32, 6777220), (34, 6378560), (40, 5421776), (62, 3497920), (64, 3388610), (68, 3189280), (80, 2710888), (85, 2551424), (124, 1748960), (128, 1694305), (136, 1594640), (155, 1399168), (160, 1355444), (170, 1275712), (248, 874480), (272, 797320), (310, 699584), (320, 677722), (340, 637856), (496, 437240), (527, 411520), (544, 398660), (620, 349792), (640, 338861), (643, 337280), (680, 318928), (992, 218620), (1054, 205760), (1088, 199330), (1240, 174896), (1286, 168640), (1360, 159464), (1984, 109310), (2108, 102880), (2176, 99665), (2480, 87448), (2572, 84320), (2635, 82304), (2720, 79732), (3215, 67456), (3968, 54655), (4216, 51440), (4960, 43724), (5144, 42160), (5270, 41152), (5440, 39866), (6430, 33728), (8432, 25720), (9920, 21862), (10288, 21080), (10540, 20576), (10880, 19933), (10931, 19840), (12860, 16864)]