218914920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1309

約数の個数: 256

約数和(自身を含む): 870912000

約数和(自身を除く): 651997080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 108, 115, 120, 126, 135, 138, 140, 161, 168, 180, 184, 189, 207, 210, 216, 230, 252, 270, 276, 280, 315, 322, 345, 360, 378, 414, 420, 460, 483, 504, 540, 552, 621, 630, 644, 690, 756, 805, 828, 840, 920, 945, 966, 1035, 1080, 1242, 1259, 1260, 1288, 1380, 1449, 1512, 1610, 1656, 1890, 1932, 2070, 2415, 2484, 2518, 2520, 2760, 2898, 3105, 3220, 3777, 3780, 3864, 4140, 4347, 4830, 4968, 5036, 5796, 6210, 6295, 6440, 7245, 7554, 7560, 8280, 8694, 8813, 9660, 10072, 11331, 11592, 12420, 12590, 14490, 15108, 17388, 17626, 18885, 19320, 21735, 22662, 24840, 25180, 26439, 28957, 28980, 30216, 33993, 34776, 35252, 37770, 43470, 44065, 45324, 50360, 52878, 56655, 57914, 57960, 67986, 70504, 75540, 79317, 86871, 86940, 88130, 90648, 105756, 113310, 115828, 132195, 135972, 144785, 151080, 158634, 169965, 173742, 173880, 176260, 202699, 211512, 226620, 231656, 237951, 260613, 264390, 271944, 289570, 317268, 339930, 347484, 352520, 396585, 405398, 434355, 453240, 475902, 521226, 528780, 579140, 608097, 634536, 679860, 694968, 781839, 793170, 810796, 868710, 951804, 1013495, 1042452, 1057560, 1158280, 1189755, 1216194, 1303065, 1359720, 1563678, 1586340, 1621592, 1737420, 1824291, 1903608, 2026990, 2084904, 2379510, 2432388, 2606130, 3040485, 3127356, 3172680, 3474840, 3648582, 3909195, 4053980, 4759020, 4864776, 5212260, 5472873, 6080970, 6254712, 7297164, 7818390, 8107960, 9121455, 9518040, 10424520, 10945746, 12161940, 14594328, 15636780, 18242910, 21891492, 24323880, 27364365, 31273560, 36485820, 43782984, 54728730, 72971640, 109457460, 218914920]

約数ペア:

[(1, 218914920), (2, 109457460), (3, 72971640), (4, 54728730), (5, 43782984), (6, 36485820), (7, 31273560), (8, 27364365), (9, 24323880), (10, 21891492), (12, 18242910), (14, 15636780), (15, 14594328), (18, 12161940), (20, 10945746), (21, 10424520), (23, 9518040), (24, 9121455), (27, 8107960), (28, 7818390), (30, 7297164), (35, 6254712), (36, 6080970), (40, 5472873), (42, 5212260), (45, 4864776), (46, 4759020), (54, 4053980), (56, 3909195), (60, 3648582), (63, 3474840), (69, 3172680), (70, 3127356), (72, 3040485), (84, 2606130), (90, 2432388), (92, 2379510), (105, 2084904), (108, 2026990), (115, 1903608), (120, 1824291), (126, 1737420), (135, 1621592), (138, 1586340), (140, 1563678), (161, 1359720), (168, 1303065), (180, 1216194), (184, 1189755), (189, 1158280), (207, 1057560), (210, 1042452), (216, 1013495), (230, 951804), (252, 868710), (270, 810796), (276, 793170), (280, 781839), (315, 694968), (322, 679860), (345, 634536), (360, 608097), (378, 579140), (414, 528780), (420, 521226), (460, 475902), (483, 453240), (504, 434355), (540, 405398), (552, 396585), (621, 352520), (630, 347484), (644, 339930), (690, 317268), (756, 289570), (805, 271944), (828, 264390), (840, 260613), (920, 237951), (945, 231656), (966, 226620), (1035, 211512), (1080, 202699), (1242, 176260), (1259, 173880), (1260, 173742), (1288, 169965), (1380, 158634), (1449, 151080), (1512, 144785), (1610, 135972), (1656, 132195), (1890, 115828), (1932, 113310), (2070, 105756), (2415, 90648), (2484, 88130), (2518, 86940), (2520, 86871), (2760, 79317), (2898, 75540), (3105, 70504), (3220, 67986), (3777, 57960), (3780, 57914), (3864, 56655), (4140, 52878), (4347, 50360), (4830, 45324), (4968, 44065), (5036, 43470), (5796, 37770), (6210, 35252), (6295, 34776), (6440, 33993), (7245, 30216), (7554, 28980), (7560, 28957), (8280, 26439), (8694, 25180), (8813, 24840), (9660, 22662), (10072, 21735), (11331, 19320), (11592, 18885), (12420, 17626), (12590, 17388), (14490, 15108)]