257322420

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 216

約数和(自身を含む): 848136744

約数和(自身を除く): 590814324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 53, 54, 60, 74, 81, 90, 106, 108, 111, 135, 148, 159, 162, 180, 185, 212, 222, 243, 265, 270, 318, 324, 333, 370, 405, 444, 477, 486, 530, 540, 555, 636, 666, 729, 740, 795, 810, 954, 972, 999, 1060, 1110, 1215, 1332, 1431, 1458, 1590, 1620, 1665, 1908, 1961, 1998, 2187, 2220, 2385, 2430, 2862, 2916, 2997, 3180, 3330, 3645, 3922, 3996, 4293, 4374, 4770, 4860, 4995, 5724, 5883, 5994, 6561, 6660, 7155, 7290, 7844, 8586, 8748, 8991, 9540, 9805, 9990, 10935, 11766, 11988, 12879, 13122, 14310, 14580, 14985, 17172, 17649, 17982, 19610, 19980, 21465, 21870, 23532, 25758, 26244, 26973, 28620, 29415, 29970, 32805, 35298, 35964, 38637, 39220, 42930, 43740, 44955, 51516, 52947, 53946, 58830, 59940, 64395, 65610, 70596, 77274, 80919, 85860, 88245, 89910, 105894, 107892, 115911, 117660, 128790, 131220, 134865, 154548, 158841, 161838, 176490, 179820, 193185, 211788, 231822, 242757, 257580, 264735, 269730, 317682, 323676, 347733, 352980, 386370, 404595, 463644, 476523, 485514, 529470, 539460, 579555, 635364, 695466, 772740, 794205, 809190, 953046, 971028, 1058940, 1159110, 1213785, 1390932, 1429569, 1588410, 1618380, 1738665, 1906092, 2318220, 2382615, 2427570, 2859138, 3176820, 3477330, 4288707, 4765230, 4855140, 5718276, 6954660, 7147845, 8577414, 9530460, 12866121, 14295690, 17154828, 21443535, 25732242, 28591380, 42887070, 51464484, 64330605, 85774140, 128661210, 257322420]

約数ペア:

[(1, 257322420), (2, 128661210), (3, 85774140), (4, 64330605), (5, 51464484), (6, 42887070), (9, 28591380), (10, 25732242), (12, 21443535), (15, 17154828), (18, 14295690), (20, 12866121), (27, 9530460), (30, 8577414), (36, 7147845), (37, 6954660), (45, 5718276), (53, 4855140), (54, 4765230), (60, 4288707), (74, 3477330), (81, 3176820), (90, 2859138), (106, 2427570), (108, 2382615), (111, 2318220), (135, 1906092), (148, 1738665), (159, 1618380), (162, 1588410), (180, 1429569), (185, 1390932), (212, 1213785), (222, 1159110), (243, 1058940), (265, 971028), (270, 953046), (318, 809190), (324, 794205), (333, 772740), (370, 695466), (405, 635364), (444, 579555), (477, 539460), (486, 529470), (530, 485514), (540, 476523), (555, 463644), (636, 404595), (666, 386370), (729, 352980), (740, 347733), (795, 323676), (810, 317682), (954, 269730), (972, 264735), (999, 257580), (1060, 242757), (1110, 231822), (1215, 211788), (1332, 193185), (1431, 179820), (1458, 176490), (1590, 161838), (1620, 158841), (1665, 154548), (1908, 134865), (1961, 131220), (1998, 128790), (2187, 117660), (2220, 115911), (2385, 107892), (2430, 105894), (2862, 89910), (2916, 88245), (2997, 85860), (3180, 80919), (3330, 77274), (3645, 70596), (3922, 65610), (3996, 64395), (4293, 59940), (4374, 58830), (4770, 53946), (4860, 52947), (4995, 51516), (5724, 44955), (5883, 43740), (5994, 42930), (6561, 39220), (6660, 38637), (7155, 35964), (7290, 35298), (7844, 32805), (8586, 29970), (8748, 29415), (8991, 28620), (9540, 26973), (9805, 26244), (9990, 25758), (10935, 23532), (11766, 21870), (11988, 21465), (12879, 19980), (13122, 19610), (14310, 17982), (14580, 17649), (14985, 17172)]