1640506560

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22193}}^1$

素因数の和:22231

約数の個数: 224

約数和(自身を含む): 6494141952

約数和(自身を除く): 4853635392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 385, 420, 440, 448, 462, 480, 528, 560, 616, 660, 672, 704, 770, 840, 880, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1540, 1680, 1760, 1848, 2112, 2240, 2310, 2464, 2640, 3080, 3360, 3520, 3696, 4620, 4928, 5280, 6160, 6720, 7392, 9240, 10560, 12320, 14784, 18480, 22193, 24640, 36960, 44386, 66579, 73920, 88772, 110965, 133158, 155351, 177544, 221930, 244123, 266316, 310702, 332895, 355088, 443860, 466053, 488246, 532632, 621404, 665790, 710176, 732369, 776755, 887720, 932106, 976492, 1065264, 1220615, 1242808, 1331580, 1420352, 1464738, 1553510, 1708861, 1775440, 1864212, 1952984, 2130528, 2330265, 2441230, 2485616, 2663160, 2929476, 3107020, 3417722, 3550880, 3661845, 3728424, 3905968, 4261056, 4660530, 4882460, 4971232, 5126583, 5326320, 5858952, 6214040, 6835444, 7101760, 7323690, 7456848, 7811936, 8544305, 9321060, 9764920, 9942464, 10253166, 10652640, 11717904, 12428080, 13670888, 14647380, 14913696, 15623872, 17088610, 18642120, 19529840, 20506332, 21305280, 23435808, 24856160, 25632915, 27341776, 29294760, 29827392, 34177220, 37284240, 39059680, 41012664, 46871616, 49712320, 51265830, 54683552, 58589520, 68354440, 74568480, 78119360, 82025328, 102531660, 109367104, 117179040, 136708880, 149136960, 164050656, 205063320, 234358080, 273417760, 328101312, 410126640, 546835520, 820253280, 1640506560]

約数ペア:

[(1, 1640506560), (2, 820253280), (3, 546835520), (4, 410126640), (5, 328101312), (6, 273417760), (7, 234358080), (8, 205063320), (10, 164050656), (11, 149136960), (12, 136708880), (14, 117179040), (15, 109367104), (16, 102531660), (20, 82025328), (21, 78119360), (22, 74568480), (24, 68354440), (28, 58589520), (30, 54683552), (32, 51265830), (33, 49712320), (35, 46871616), (40, 41012664), (42, 39059680), (44, 37284240), (48, 34177220), (55, 29827392), (56, 29294760), (60, 27341776), (64, 25632915), (66, 24856160), (70, 23435808), (77, 21305280), (80, 20506332), (84, 19529840), (88, 18642120), (96, 17088610), (105, 15623872), (110, 14913696), (112, 14647380), (120, 13670888), (132, 12428080), (140, 11717904), (154, 10652640), (160, 10253166), (165, 9942464), (168, 9764920), (176, 9321060), (192, 8544305), (210, 7811936), (220, 7456848), (224, 7323690), (231, 7101760), (240, 6835444), (264, 6214040), (280, 5858952), (308, 5326320), (320, 5126583), (330, 4971232), (336, 4882460), (352, 4660530), (385, 4261056), (420, 3905968), (440, 3728424), (448, 3661845), (462, 3550880), (480, 3417722), (528, 3107020), (560, 2929476), (616, 2663160), (660, 2485616), (672, 2441230), (704, 2330265), (770, 2130528), (840, 1952984), (880, 1864212), (924, 1775440), (960, 1708861), (1056, 1553510), (1120, 1464738), (1155, 1420352), (1232, 1331580), (1320, 1242808), (1344, 1220615), (1540, 1065264), (1680, 976492), (1760, 932106), (1848, 887720), (2112, 776755), (2240, 732369), (2310, 710176), (2464, 665790), (2640, 621404), (3080, 532632), (3360, 488246), (3520, 466053), (3696, 443860), (4620, 355088), (4928, 332895), (5280, 310702), (6160, 266316), (6720, 244123), (7392, 221930), (9240, 177544), (10560, 155351), (12320, 133158), (14784, 110965), (18480, 88772), (22193, 73920), (24640, 66579), (36960, 44386)]