217167720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1288

約数の個数: 256

約数和(自身を含む): 855705600

約数和(自身を除く): 638537880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 55, 56, 57, 60, 66, 70, 76, 77, 84, 88, 95, 105, 110, 114, 120, 132, 133, 140, 152, 154, 165, 168, 190, 209, 210, 220, 228, 231, 264, 266, 280, 285, 308, 330, 380, 385, 399, 418, 420, 440, 456, 462, 532, 570, 616, 627, 660, 665, 760, 770, 798, 836, 840, 924, 1045, 1064, 1140, 1155, 1237, 1254, 1320, 1330, 1463, 1540, 1596, 1672, 1848, 1995, 2090, 2280, 2310, 2474, 2508, 2660, 2926, 3080, 3135, 3192, 3711, 3990, 4180, 4389, 4620, 4948, 5016, 5320, 5852, 6185, 6270, 7315, 7422, 7980, 8360, 8659, 8778, 9240, 9896, 11704, 12370, 12540, 13607, 14630, 14844, 15960, 17318, 17556, 18555, 21945, 23503, 24740, 25080, 25977, 27214, 29260, 29688, 34636, 35112, 37110, 40821, 43295, 43890, 47006, 49480, 51954, 54428, 58520, 68035, 69272, 70509, 74220, 81642, 86590, 87780, 94012, 95249, 103908, 108856, 117515, 129885, 136070, 141018, 148440, 163284, 164521, 173180, 175560, 188024, 190498, 204105, 207816, 235030, 258533, 259770, 272140, 282036, 285747, 326568, 329042, 346360, 352545, 380996, 408210, 470060, 476245, 493563, 517066, 519540, 544280, 564072, 571494, 658084, 705090, 761992, 775599, 816420, 822605, 940120, 952490, 987126, 1034132, 1039080, 1142988, 1292665, 1316168, 1410180, 1428735, 1551198, 1632840, 1645210, 1809731, 1904980, 1974252, 2068264, 2285976, 2467815, 2585330, 2820360, 2857470, 3102396, 3290420, 3619462, 3809960, 3877995, 3948504, 4935630, 5170660, 5429193, 5714940, 6204792, 6580840, 7238924, 7755990, 9048655, 9871260, 10341320, 10858386, 11429880, 14477848, 15511980, 18097310, 19742520, 21716772, 27145965, 31023960, 36194620, 43433544, 54291930, 72389240, 108583860, 217167720]

約数ペア:

[(1, 217167720), (2, 108583860), (3, 72389240), (4, 54291930), (5, 43433544), (6, 36194620), (7, 31023960), (8, 27145965), (10, 21716772), (11, 19742520), (12, 18097310), (14, 15511980), (15, 14477848), (19, 11429880), (20, 10858386), (21, 10341320), (22, 9871260), (24, 9048655), (28, 7755990), (30, 7238924), (33, 6580840), (35, 6204792), (38, 5714940), (40, 5429193), (42, 5170660), (44, 4935630), (55, 3948504), (56, 3877995), (57, 3809960), (60, 3619462), (66, 3290420), (70, 3102396), (76, 2857470), (77, 2820360), (84, 2585330), (88, 2467815), (95, 2285976), (105, 2068264), (110, 1974252), (114, 1904980), (120, 1809731), (132, 1645210), (133, 1632840), (140, 1551198), (152, 1428735), (154, 1410180), (165, 1316168), (168, 1292665), (190, 1142988), (209, 1039080), (210, 1034132), (220, 987126), (228, 952490), (231, 940120), (264, 822605), (266, 816420), (280, 775599), (285, 761992), (308, 705090), (330, 658084), (380, 571494), (385, 564072), (399, 544280), (418, 519540), (420, 517066), (440, 493563), (456, 476245), (462, 470060), (532, 408210), (570, 380996), (616, 352545), (627, 346360), (660, 329042), (665, 326568), (760, 285747), (770, 282036), (798, 272140), (836, 259770), (840, 258533), (924, 235030), (1045, 207816), (1064, 204105), (1140, 190498), (1155, 188024), (1237, 175560), (1254, 173180), (1320, 164521), (1330, 163284), (1463, 148440), (1540, 141018), (1596, 136070), (1672, 129885), (1848, 117515), (1995, 108856), (2090, 103908), (2280, 95249), (2310, 94012), (2474, 87780), (2508, 86590), (2660, 81642), (2926, 74220), (3080, 70509), (3135, 69272), (3192, 68035), (3711, 58520), (3990, 54428), (4180, 51954), (4389, 49480), (4620, 47006), (4948, 43890), (5016, 43295), (5320, 40821), (5852, 37110), (6185, 35112), (6270, 34636), (7315, 29688), (7422, 29260), (7980, 27214), (8360, 25977), (8659, 25080), (8778, 24740), (9240, 23503), (9896, 21945), (11704, 18555), (12370, 17556), (12540, 17318), (13607, 15960), (14630, 14844)]