1288534720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:459

約数の個数: 224

約数和(自身を含む): 3612465216

約数和(自身を除く): 2323930496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 61, 64, 68, 80, 85, 88, 110, 122, 136, 160, 170, 176, 187, 220, 244, 272, 305, 320, 340, 352, 353, 374, 440, 488, 544, 610, 671, 680, 704, 706, 748, 880, 935, 976, 1037, 1088, 1220, 1342, 1360, 1412, 1496, 1760, 1765, 1870, 1952, 2074, 2440, 2684, 2720, 2824, 2992, 3355, 3520, 3530, 3740, 3883, 3904, 4148, 4880, 5185, 5368, 5440, 5648, 5984, 6001, 6710, 7060, 7480, 7766, 8296, 9760, 10370, 10736, 11296, 11407, 11968, 12002, 13420, 14120, 14960, 15532, 16592, 19415, 19520, 20740, 21472, 21533, 22592, 22814, 24004, 26840, 28240, 29920, 30005, 31064, 33184, 38830, 41480, 42944, 43066, 45628, 48008, 53680, 56480, 57035, 59840, 60010, 62128, 66011, 66368, 77660, 82960, 86132, 91256, 96016, 107360, 107665, 112960, 114070, 120020, 124256, 132022, 155320, 165920, 172264, 182512, 192032, 214720, 215330, 228140, 236863, 240040, 248512, 264044, 310640, 330055, 331840, 344528, 365024, 366061, 384064, 430660, 456280, 473726, 480080, 528088, 621280, 660110, 689056, 730048, 732122, 861320, 912560, 947452, 960160, 1056176, 1184315, 1242560, 1320220, 1378112, 1464244, 1722640, 1825120, 1830305, 1894904, 1920320, 2112352, 2368630, 2640440, 2928488, 3445280, 3650240, 3660610, 3789808, 4026671, 4224704, 4737260, 5280880, 5856976, 6890560, 7321220, 7579616, 8053342, 9474520, 10561760, 11713952, 14642440, 15159232, 16106684, 18949040, 20133355, 21123520, 23427904, 29284880, 32213368, 37898080, 40266710, 58569760, 64426736, 75796160, 80533420, 117139520, 128853472, 161066840, 257706944, 322133680, 644267360, 1288534720]

約数ペア:

[(1, 1288534720), (2, 644267360), (4, 322133680), (5, 257706944), (8, 161066840), (10, 128853472), (11, 117139520), (16, 80533420), (17, 75796160), (20, 64426736), (22, 58569760), (32, 40266710), (34, 37898080), (40, 32213368), (44, 29284880), (55, 23427904), (61, 21123520), (64, 20133355), (68, 18949040), (80, 16106684), (85, 15159232), (88, 14642440), (110, 11713952), (122, 10561760), (136, 9474520), (160, 8053342), (170, 7579616), (176, 7321220), (187, 6890560), (220, 5856976), (244, 5280880), (272, 4737260), (305, 4224704), (320, 4026671), (340, 3789808), (352, 3660610), (353, 3650240), (374, 3445280), (440, 2928488), (488, 2640440), (544, 2368630), (610, 2112352), (671, 1920320), (680, 1894904), (704, 1830305), (706, 1825120), (748, 1722640), (880, 1464244), (935, 1378112), (976, 1320220), (1037, 1242560), (1088, 1184315), (1220, 1056176), (1342, 960160), (1360, 947452), (1412, 912560), (1496, 861320), (1760, 732122), (1765, 730048), (1870, 689056), (1952, 660110), (2074, 621280), (2440, 528088), (2684, 480080), (2720, 473726), (2824, 456280), (2992, 430660), (3355, 384064), (3520, 366061), (3530, 365024), (3740, 344528), (3883, 331840), (3904, 330055), (4148, 310640), (4880, 264044), (5185, 248512), (5368, 240040), (5440, 236863), (5648, 228140), (5984, 215330), (6001, 214720), (6710, 192032), (7060, 182512), (7480, 172264), (7766, 165920), (8296, 155320), (9760, 132022), (10370, 124256), (10736, 120020), (11296, 114070), (11407, 112960), (11968, 107665), (12002, 107360), (13420, 96016), (14120, 91256), (14960, 86132), (15532, 82960), (16592, 77660), (19415, 66368), (19520, 66011), (20740, 62128), (21472, 60010), (21533, 59840), (22592, 57035), (22814, 56480), (24004, 53680), (26840, 48008), (28240, 45628), (29920, 43066), (30005, 42944), (31064, 41480), (33184, 38830)]