1278129502080

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{172147}}^1$

素因数の和:173461

約数の個数: 192

約数和(自身を含む): 4416990598800

約数和(自身を除く): 3138861096720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1289, 1440, 1920, 2578, 2880, 3867, 5156, 5760, 6445, 7734, 10312, 11601, 12890, 15468, 19335, 20624, 23202, 25780, 30936, 38670, 41248, 46404, 51560, 58005, 61872, 77340, 82496, 92808, 103120, 116010, 123744, 154680, 164992, 172147, 185616, 206240, 232020, 247488, 309360, 344294, 371232, 412480, 464040, 494976, 516441, 618720, 688588, 742464, 824960, 860735, 928080, 1032882, 1237440, 1377176, 1484928, 1549323, 1721470, 1856160, 2065764, 2474880, 2582205, 2754352, 3098646, 3442940, 3712320, 4131528, 5164410, 5508704, 6197292, 6885880, 7424640, 7746615, 8263056, 10328820, 11017408, 12394584, 13771760, 15493230, 16526112, 20657640, 22034816, 24789168, 27543520, 30986460, 33052224, 41315280, 49578336, 55087040, 61972920, 66104448, 82630560, 99156672, 110174080, 123945840, 165261120, 198313344, 221897483, 247891680, 330522240, 443794966, 495783360, 665692449, 887589932, 991566720, 1109487415, 1331384898, 1775179864, 1997077347, 2218974830, 2662769796, 3328462245, 3550359728, 3994154694, 4437949660, 5325539592, 6656924490, 7100719456, 7988309388, 8875899320, 9985386735, 10651079184, 13313848980, 14201438912, 15976618776, 17751798640, 19970773470, 21302158368, 26627697960, 28402877824, 31953237552, 35503597280, 39941546940, 42604316736, 53255395920, 63906475104, 71007194560, 79883093880, 85208633472, 106510791840, 127812950208, 142014389120, 159766187760, 213021583680, 255625900416, 319532375520, 426043167360, 639064751040, 1278129502080]

約数ペア:

[(1, 1278129502080), (2, 639064751040), (3, 426043167360), (4, 319532375520), (5, 255625900416), (6, 213021583680), (8, 159766187760), (9, 142014389120), (10, 127812950208), (12, 106510791840), (15, 85208633472), (16, 79883093880), (18, 71007194560), (20, 63906475104), (24, 53255395920), (30, 42604316736), (32, 39941546940), (36, 35503597280), (40, 31953237552), (45, 28402877824), (48, 26627697960), (60, 21302158368), (64, 19970773470), (72, 17751798640), (80, 15976618776), (90, 14201438912), (96, 13313848980), (120, 10651079184), (128, 9985386735), (144, 8875899320), (160, 7988309388), (180, 7100719456), (192, 6656924490), (240, 5325539592), (288, 4437949660), (320, 3994154694), (360, 3550359728), (384, 3328462245), (480, 2662769796), (576, 2218974830), (640, 1997077347), (720, 1775179864), (960, 1331384898), (1152, 1109487415), (1289, 991566720), (1440, 887589932), (1920, 665692449), (2578, 495783360), (2880, 443794966), (3867, 330522240), (5156, 247891680), (5760, 221897483), (6445, 198313344), (7734, 165261120), (10312, 123945840), (11601, 110174080), (12890, 99156672), (15468, 82630560), (19335, 66104448), (20624, 61972920), (23202, 55087040), (25780, 49578336), (30936, 41315280), (38670, 33052224), (41248, 30986460), (46404, 27543520), (51560, 24789168), (58005, 22034816), (61872, 20657640), (77340, 16526112), (82496, 15493230), (92808, 13771760), (103120, 12394584), (116010, 11017408), (123744, 10328820), (154680, 8263056), (164992, 7746615), (172147, 7424640), (185616, 6885880), (206240, 6197292), (232020, 5508704), (247488, 5164410), (309360, 4131528), (344294, 3712320), (371232, 3442940), (412480, 3098646), (464040, 2754352), (494976, 2582205), (516441, 2474880), (618720, 2065764), (688588, 1856160), (742464, 1721470), (824960, 1549323), (860735, 1484928), (928080, 1377176), (1032882, 1237440)]