128432920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 256

約数和(自身を含む): 393984000

約数和(自身を除く): 265551080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 37, 40, 44, 46, 49, 55, 56, 70, 74, 77, 88, 92, 98, 110, 115, 140, 148, 154, 161, 184, 185, 196, 220, 230, 245, 253, 259, 280, 296, 308, 322, 343, 370, 385, 392, 407, 440, 460, 490, 506, 518, 539, 616, 644, 686, 740, 770, 805, 814, 851, 920, 980, 1012, 1036, 1078, 1127, 1265, 1288, 1295, 1372, 1480, 1540, 1610, 1628, 1702, 1715, 1771, 1813, 1960, 2024, 2035, 2072, 2156, 2254, 2530, 2590, 2695, 2744, 2849, 3080, 3220, 3256, 3404, 3430, 3542, 3626, 3773, 4070, 4255, 4312, 4508, 5060, 5180, 5390, 5635, 5698, 5957, 6440, 6808, 6860, 7084, 7252, 7546, 7889, 8140, 8510, 8855, 9016, 9065, 9361, 10120, 10360, 10780, 11270, 11396, 11914, 12397, 12691, 13720, 14168, 14245, 14504, 15092, 15778, 16280, 17020, 17710, 18130, 18722, 18865, 19943, 21560, 22540, 22792, 23828, 24794, 25382, 28490, 29785, 30184, 31556, 34040, 35420, 36260, 37444, 37730, 39445, 39886, 41699, 45080, 46805, 47656, 49588, 50764, 56980, 59570, 61985, 63112, 63455, 65527, 70840, 72520, 74888, 75460, 78890, 79772, 83398, 86779, 93610, 99176, 99715, 101528, 113960, 119140, 123970, 126910, 131054, 139601, 150920, 157780, 159544, 166796, 173558, 187220, 199430, 208495, 238280, 247940, 253820, 262108, 279202, 291893, 315560, 327635, 333592, 347116, 374440, 398860, 416990, 433895, 458689, 495880, 507640, 524216, 558404, 583786, 655270, 694232, 698005, 797720, 833980, 867790, 917378, 1116808, 1167572, 1310540, 1396010, 1459465, 1667960, 1735580, 1834756, 2293445, 2335144, 2621080, 2792020, 2918930, 3210823, 3471160, 3669512, 4586890, 5584040, 5837860, 6421646, 9173780, 11675720, 12843292, 16054115, 18347560, 25686584, 32108230, 64216460, 128432920]

約数ペア:

[(1, 128432920), (2, 64216460), (4, 32108230), (5, 25686584), (7, 18347560), (8, 16054115), (10, 12843292), (11, 11675720), (14, 9173780), (20, 6421646), (22, 5837860), (23, 5584040), (28, 4586890), (35, 3669512), (37, 3471160), (40, 3210823), (44, 2918930), (46, 2792020), (49, 2621080), (55, 2335144), (56, 2293445), (70, 1834756), (74, 1735580), (77, 1667960), (88, 1459465), (92, 1396010), (98, 1310540), (110, 1167572), (115, 1116808), (140, 917378), (148, 867790), (154, 833980), (161, 797720), (184, 698005), (185, 694232), (196, 655270), (220, 583786), (230, 558404), (245, 524216), (253, 507640), (259, 495880), (280, 458689), (296, 433895), (308, 416990), (322, 398860), (343, 374440), (370, 347116), (385, 333592), (392, 327635), (407, 315560), (440, 291893), (460, 279202), (490, 262108), (506, 253820), (518, 247940), (539, 238280), (616, 208495), (644, 199430), (686, 187220), (740, 173558), (770, 166796), (805, 159544), (814, 157780), (851, 150920), (920, 139601), (980, 131054), (1012, 126910), (1036, 123970), (1078, 119140), (1127, 113960), (1265, 101528), (1288, 99715), (1295, 99176), (1372, 93610), (1480, 86779), (1540, 83398), (1610, 79772), (1628, 78890), (1702, 75460), (1715, 74888), (1771, 72520), (1813, 70840), (1960, 65527), (2024, 63455), (2035, 63112), (2072, 61985), (2156, 59570), (2254, 56980), (2530, 50764), (2590, 49588), (2695, 47656), (2744, 46805), (2849, 45080), (3080, 41699), (3220, 39886), (3256, 39445), (3404, 37730), (3430, 37444), (3542, 36260), (3626, 35420), (3773, 34040), (4070, 31556), (4255, 30184), (4312, 29785), (4508, 28490), (5060, 25382), (5180, 24794), (5390, 23828), (5635, 22792), (5698, 22540), (5957, 21560), (6440, 19943), (6808, 18865), (6860, 18722), (7084, 18130), (7252, 17710), (7546, 17020), (7889, 16280), (8140, 15778), (8510, 15092), (8855, 14504), (9016, 14245), (9065, 14168), (9361, 13720), (10120, 12691), (10360, 12397), (10780, 11914), (11270, 11396)]