291165280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 836075520

約数和(自身を除く): 544910240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 89, 92, 112, 115, 127, 140, 160, 161, 178, 184, 224, 230, 254, 280, 322, 356, 368, 445, 460, 508, 560, 623, 635, 644, 712, 736, 805, 889, 890, 920, 1016, 1120, 1246, 1270, 1288, 1424, 1610, 1778, 1780, 1840, 2032, 2047, 2492, 2540, 2576, 2848, 2921, 3115, 3220, 3556, 3560, 3680, 4064, 4094, 4445, 4984, 5080, 5152, 5842, 6230, 6440, 7112, 7120, 8188, 8890, 9968, 10160, 10235, 11303, 11684, 12460, 12880, 14224, 14240, 14329, 14605, 16376, 17780, 19936, 20320, 20447, 20470, 22606, 23368, 24920, 25760, 28448, 28658, 29210, 32752, 35560, 40894, 40940, 45212, 46736, 49840, 56515, 57316, 58420, 65504, 71120, 71645, 79121, 81788, 81880, 90424, 93472, 99680, 102235, 113030, 114632, 116840, 142240, 143290, 158242, 163576, 163760, 180848, 204470, 226060, 229264, 233680, 259969, 286580, 316484, 327152, 327520, 361696, 395605, 408940, 452120, 458528, 467360, 519938, 573160, 632968, 654304, 791210, 817880, 904240, 1039876, 1146320, 1265936, 1299845, 1582420, 1635760, 1808480, 1819783, 2079752, 2292640, 2531872, 2599690, 3164840, 3271520, 3639566, 4159504, 5199380, 6329680, 7279132, 8319008, 9098915, 10398760, 12659360, 14558264, 18197830, 20797520, 29116528, 36395660, 41595040, 58233056, 72791320, 145582640, 291165280]

約数ペア:

[(1, 291165280), (2, 145582640), (4, 72791320), (5, 58233056), (7, 41595040), (8, 36395660), (10, 29116528), (14, 20797520), (16, 18197830), (20, 14558264), (23, 12659360), (28, 10398760), (32, 9098915), (35, 8319008), (40, 7279132), (46, 6329680), (56, 5199380), (70, 4159504), (80, 3639566), (89, 3271520), (92, 3164840), (112, 2599690), (115, 2531872), (127, 2292640), (140, 2079752), (160, 1819783), (161, 1808480), (178, 1635760), (184, 1582420), (224, 1299845), (230, 1265936), (254, 1146320), (280, 1039876), (322, 904240), (356, 817880), (368, 791210), (445, 654304), (460, 632968), (508, 573160), (560, 519938), (623, 467360), (635, 458528), (644, 452120), (712, 408940), (736, 395605), (805, 361696), (889, 327520), (890, 327152), (920, 316484), (1016, 286580), (1120, 259969), (1246, 233680), (1270, 229264), (1288, 226060), (1424, 204470), (1610, 180848), (1778, 163760), (1780, 163576), (1840, 158242), (2032, 143290), (2047, 142240), (2492, 116840), (2540, 114632), (2576, 113030), (2848, 102235), (2921, 99680), (3115, 93472), (3220, 90424), (3556, 81880), (3560, 81788), (3680, 79121), (4064, 71645), (4094, 71120), (4445, 65504), (4984, 58420), (5080, 57316), (5152, 56515), (5842, 49840), (6230, 46736), (6440, 45212), (7112, 40940), (7120, 40894), (8188, 35560), (8890, 32752), (9968, 29210), (10160, 28658), (10235, 28448), (11303, 25760), (11684, 24920), (12460, 23368), (12880, 22606), (14224, 20470), (14240, 20447), (14329, 20320), (14605, 19936), (16376, 17780)]