71855280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:348

約数の個数: 240

約数和(自身を含む): 282035520

約数和(自身を除く): 210180240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 105, 106, 112, 120, 126, 140, 144, 159, 168, 180, 210, 212, 240, 252, 265, 269, 280, 315, 318, 336, 360, 371, 420, 424, 477, 504, 530, 538, 560, 630, 636, 720, 742, 795, 807, 840, 848, 954, 1008, 1060, 1076, 1113, 1260, 1272, 1345, 1484, 1590, 1614, 1680, 1855, 1883, 1908, 2120, 2152, 2226, 2385, 2421, 2520, 2544, 2690, 2968, 3180, 3228, 3339, 3710, 3766, 3816, 4035, 4240, 4304, 4452, 4770, 4842, 5040, 5380, 5565, 5649, 5936, 6360, 6456, 6678, 7420, 7532, 7632, 8070, 8904, 9415, 9540, 9684, 10760, 11130, 11298, 12105, 12720, 12912, 13356, 14257, 14840, 15064, 16140, 16695, 16947, 17808, 18830, 19080, 19368, 21520, 22260, 22596, 24210, 26712, 28245, 28514, 29680, 30128, 32280, 33390, 33894, 37660, 38160, 38736, 42771, 44520, 45192, 48420, 53424, 56490, 57028, 64560, 66780, 67788, 71285, 75320, 84735, 85542, 89040, 90384, 96840, 99799, 112980, 114056, 128313, 133560, 135576, 142570, 150640, 169470, 171084, 193680, 199598, 213855, 225960, 228112, 256626, 267120, 271152, 285140, 299397, 338940, 342168, 399196, 427710, 451920, 498995, 513252, 570280, 598794, 641565, 677880, 684336, 798392, 855420, 898191, 997990, 1026504, 1140560, 1197588, 1283130, 1355760, 1496985, 1596784, 1710840, 1796382, 1995980, 2053008, 2395176, 2566260, 2993970, 3421680, 3592764, 3991960, 4490955, 4790352, 5132520, 5987940, 7185528, 7983920, 8981910, 10265040, 11975880, 14371056, 17963820, 23951760, 35927640, 71855280]

約数ペア:

[(1, 71855280), (2, 35927640), (3, 23951760), (4, 17963820), (5, 14371056), (6, 11975880), (7, 10265040), (8, 8981910), (9, 7983920), (10, 7185528), (12, 5987940), (14, 5132520), (15, 4790352), (16, 4490955), (18, 3991960), (20, 3592764), (21, 3421680), (24, 2993970), (28, 2566260), (30, 2395176), (35, 2053008), (36, 1995980), (40, 1796382), (42, 1710840), (45, 1596784), (48, 1496985), (53, 1355760), (56, 1283130), (60, 1197588), (63, 1140560), (70, 1026504), (72, 997990), (80, 898191), (84, 855420), (90, 798392), (105, 684336), (106, 677880), (112, 641565), (120, 598794), (126, 570280), (140, 513252), (144, 498995), (159, 451920), (168, 427710), (180, 399196), (210, 342168), (212, 338940), (240, 299397), (252, 285140), (265, 271152), (269, 267120), (280, 256626), (315, 228112), (318, 225960), (336, 213855), (360, 199598), (371, 193680), (420, 171084), (424, 169470), (477, 150640), (504, 142570), (530, 135576), (538, 133560), (560, 128313), (630, 114056), (636, 112980), (720, 99799), (742, 96840), (795, 90384), (807, 89040), (840, 85542), (848, 84735), (954, 75320), (1008, 71285), (1060, 67788), (1076, 66780), (1113, 64560), (1260, 57028), (1272, 56490), (1345, 53424), (1484, 48420), (1590, 45192), (1614, 44520), (1680, 42771), (1855, 38736), (1883, 38160), (1908, 37660), (2120, 33894), (2152, 33390), (2226, 32280), (2385, 30128), (2421, 29680), (2520, 28514), (2544, 28245), (2690, 26712), (2968, 24210), (3180, 22596), (3228, 22260), (3339, 21520), (3710, 19368), (3766, 19080), (3816, 18830), (4035, 17808), (4240, 16947), (4304, 16695), (4452, 16140), (4770, 15064), (4842, 14840), (5040, 14257), (5380, 13356), (5565, 12912), (5649, 12720), (5936, 12105), (6360, 11298), (6456, 11130), (6678, 10760), (7420, 9684), (7532, 9540), (7632, 9415), (8070, 8904)]