279887520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 288

約数和(自身を含む): 997436160

約数和(自身を除く): 717548640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 61, 66, 79, 80, 88, 96, 110, 120, 121, 122, 132, 158, 160, 165, 176, 183, 220, 237, 240, 242, 244, 264, 305, 316, 330, 352, 363, 366, 395, 440, 474, 480, 484, 488, 528, 605, 610, 632, 660, 671, 726, 732, 790, 869, 880, 915, 948, 968, 976, 1056, 1185, 1210, 1220, 1264, 1320, 1342, 1452, 1464, 1580, 1738, 1760, 1815, 1830, 1896, 1936, 1952, 2013, 2370, 2420, 2440, 2528, 2607, 2640, 2684, 2904, 2928, 3160, 3355, 3476, 3630, 3660, 3792, 3872, 4026, 4345, 4740, 4819, 4840, 4880, 5214, 5280, 5368, 5808, 5856, 6320, 6710, 6952, 7260, 7320, 7381, 7584, 8052, 8690, 9480, 9559, 9638, 9680, 9760, 10065, 10428, 10736, 11616, 12640, 13035, 13420, 13904, 14457, 14520, 14640, 14762, 16104, 17380, 18960, 19118, 19276, 19360, 20130, 20856, 21472, 22143, 24095, 26070, 26840, 27808, 28677, 28914, 29040, 29280, 29524, 32208, 34760, 36905, 37920, 38236, 38552, 40260, 41712, 44286, 47795, 48190, 52140, 53009, 53680, 57354, 57828, 58080, 59048, 64416, 69520, 72285, 73810, 76472, 77104, 80520, 83424, 88572, 95590, 96380, 104280, 106018, 107360, 110715, 114708, 115656, 118096, 139040, 143385, 144570, 147620, 152944, 154208, 159027, 161040, 177144, 191180, 192760, 208560, 212036, 221430, 229416, 231312, 236192, 265045, 286770, 289140, 295240, 305888, 318054, 322080, 354288, 382360, 385520, 417120, 424072, 442860, 458832, 462624, 530090, 573540, 578280, 583099, 590480, 636108, 708576, 764720, 771040, 795135, 848144, 885720, 917664, 1060180, 1147080, 1156560, 1166198, 1180960, 1272216, 1529440, 1590270, 1696288, 1749297, 1771440, 2120360, 2294160, 2313120, 2332396, 2544432, 2915495, 3180540, 3498594, 3542880, 4240720, 4588320, 4664792, 5088864, 5830990, 6361080, 6997188, 8481440, 8746485, 9329584, 11661980, 12722160, 13994376, 17492970, 18659168, 23323960, 25444320, 27988752, 34985940, 46647920, 55977504, 69971880, 93295840, 139943760, 279887520]

約数ペア:

[(1, 279887520), (2, 139943760), (3, 93295840), (4, 69971880), (5, 55977504), (6, 46647920), (8, 34985940), (10, 27988752), (11, 25444320), (12, 23323960), (15, 18659168), (16, 17492970), (20, 13994376), (22, 12722160), (24, 11661980), (30, 9329584), (32, 8746485), (33, 8481440), (40, 6997188), (44, 6361080), (48, 5830990), (55, 5088864), (60, 4664792), (61, 4588320), (66, 4240720), (79, 3542880), (80, 3498594), (88, 3180540), (96, 2915495), (110, 2544432), (120, 2332396), (121, 2313120), (122, 2294160), (132, 2120360), (158, 1771440), (160, 1749297), (165, 1696288), (176, 1590270), (183, 1529440), (220, 1272216), (237, 1180960), (240, 1166198), (242, 1156560), (244, 1147080), (264, 1060180), (305, 917664), (316, 885720), (330, 848144), (352, 795135), (363, 771040), (366, 764720), (395, 708576), (440, 636108), (474, 590480), (480, 583099), (484, 578280), (488, 573540), (528, 530090), (605, 462624), (610, 458832), (632, 442860), (660, 424072), (671, 417120), (726, 385520), (732, 382360), (790, 354288), (869, 322080), (880, 318054), (915, 305888), (948, 295240), (968, 289140), (976, 286770), (1056, 265045), (1185, 236192), (1210, 231312), (1220, 229416), (1264, 221430), (1320, 212036), (1342, 208560), (1452, 192760), (1464, 191180), (1580, 177144), (1738, 161040), (1760, 159027), (1815, 154208), (1830, 152944), (1896, 147620), (1936, 144570), (1952, 143385), (2013, 139040), (2370, 118096), (2420, 115656), (2440, 114708), (2528, 110715), (2607, 107360), (2640, 106018), (2684, 104280), (2904, 96380), (2928, 95590), (3160, 88572), (3355, 83424), (3476, 80520), (3630, 77104), (3660, 76472), (3792, 73810), (3872, 72285), (4026, 69520), (4345, 64416), (4740, 59048), (4819, 58080), (4840, 57828), (4880, 57354), (5214, 53680), (5280, 53009), (5368, 52140), (5808, 48190), (5856, 47795), (6320, 44286), (6710, 41712), (6952, 40260), (7260, 38552), (7320, 38236), (7381, 37920), (7584, 36905), (8052, 34760), (8690, 32208), (9480, 29524), (9559, 29280), (9638, 29040), (9680, 28914), (9760, 28677), (10065, 27808), (10428, 26840), (10736, 26070), (11616, 24095), (12640, 22143), (13035, 21472), (13420, 20856), (13904, 20130), (14457, 19360), (14520, 19276), (14640, 19118), (14762, 18960), (16104, 17380)]