2155153920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{971}}^1$

素因数の和:1031

約数の個数: 240

約数和(自身を含む): 7326415008

約数和(自身を除く): 5171261088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 289, 320, 340, 384, 408, 480, 510, 512, 544, 578, 640, 680, 768, 816, 867, 960, 971, 1020, 1088, 1156, 1280, 1360, 1445, 1536, 1632, 1734, 1920, 1942, 2040, 2176, 2312, 2560, 2720, 2890, 2913, 3264, 3468, 3840, 3884, 4080, 4335, 4352, 4624, 4855, 5440, 5780, 5826, 6528, 6936, 7680, 7768, 8160, 8670, 8704, 9248, 9710, 10880, 11560, 11652, 13056, 13872, 14565, 15536, 16320, 16507, 17340, 18496, 19420, 21760, 23120, 23304, 26112, 27744, 29130, 31072, 32640, 33014, 34680, 36992, 38840, 43520, 46240, 46608, 49521, 55488, 58260, 62144, 65280, 66028, 69360, 73984, 77680, 82535, 92480, 93216, 99042, 110976, 116520, 124288, 130560, 132056, 138720, 147968, 155360, 165070, 184960, 186432, 198084, 221952, 233040, 247605, 248576, 264112, 277440, 280619, 310720, 330140, 369920, 372864, 396168, 443904, 466080, 495210, 497152, 528224, 554880, 561238, 621440, 660280, 739840, 745728, 792336, 841857, 932160, 990420, 1056448, 1109760, 1122476, 1242880, 1320560, 1403095, 1491456, 1584672, 1683714, 1864320, 1980840, 2112896, 2219520, 2244952, 2485760, 2641120, 2806190, 3169344, 3367428, 3728640, 3961680, 4209285, 4225792, 4489904, 5282240, 5612380, 6338688, 6734856, 7457280, 7923360, 8418570, 8451584, 8979808, 10564480, 11224760, 12677376, 13469712, 15846720, 16837140, 17959616, 21128960, 22449520, 25354752, 26939424, 31693440, 33674280, 35919232, 42257920, 44899040, 53878848, 63386880, 67348560, 71838464, 89798080, 107757696, 126773760, 134697120, 143676928, 179596160, 215515392, 269394240, 359192320, 431030784, 538788480, 718384640, 1077576960, 2155153920]

約数ペア:

[(1, 2155153920), (2, 1077576960), (3, 718384640), (4, 538788480), (5, 431030784), (6, 359192320), (8, 269394240), (10, 215515392), (12, 179596160), (15, 143676928), (16, 134697120), (17, 126773760), (20, 107757696), (24, 89798080), (30, 71838464), (32, 67348560), (34, 63386880), (40, 53878848), (48, 44899040), (51, 42257920), (60, 35919232), (64, 33674280), (68, 31693440), (80, 26939424), (85, 25354752), (96, 22449520), (102, 21128960), (120, 17959616), (128, 16837140), (136, 15846720), (160, 13469712), (170, 12677376), (192, 11224760), (204, 10564480), (240, 8979808), (255, 8451584), (256, 8418570), (272, 7923360), (289, 7457280), (320, 6734856), (340, 6338688), (384, 5612380), (408, 5282240), (480, 4489904), (510, 4225792), (512, 4209285), (544, 3961680), (578, 3728640), (640, 3367428), (680, 3169344), (768, 2806190), (816, 2641120), (867, 2485760), (960, 2244952), (971, 2219520), (1020, 2112896), (1088, 1980840), (1156, 1864320), (1280, 1683714), (1360, 1584672), (1445, 1491456), (1536, 1403095), (1632, 1320560), (1734, 1242880), (1920, 1122476), (1942, 1109760), (2040, 1056448), (2176, 990420), (2312, 932160), (2560, 841857), (2720, 792336), (2890, 745728), (2913, 739840), (3264, 660280), (3468, 621440), (3840, 561238), (3884, 554880), (4080, 528224), (4335, 497152), (4352, 495210), (4624, 466080), (4855, 443904), (5440, 396168), (5780, 372864), (5826, 369920), (6528, 330140), (6936, 310720), (7680, 280619), (7768, 277440), (8160, 264112), (8670, 248576), (8704, 247605), (9248, 233040), (9710, 221952), (10880, 198084), (11560, 186432), (11652, 184960), (13056, 165070), (13872, 155360), (14565, 147968), (15536, 138720), (16320, 132056), (16507, 130560), (17340, 124288), (18496, 116520), (19420, 110976), (21760, 99042), (23120, 93216), (23304, 92480), (26112, 82535), (27744, 77680), (29130, 73984), (31072, 69360), (32640, 66028), (33014, 65280), (34680, 62144), (36992, 58260), (38840, 55488), (43520, 49521), (46240, 46608)]