641747520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{503}}^1$

素因数の和:969

約数の個数: 168

約数和(自身を含む): 2216725056

約数和(自身を除く): 1574977536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 443, 480, 503, 576, 720, 886, 960, 1006, 1329, 1440, 1509, 1772, 2012, 2215, 2515, 2658, 2880, 3018, 3544, 3987, 4024, 4430, 4527, 5030, 5316, 6036, 6645, 7088, 7545, 7974, 8048, 8860, 9054, 10060, 10632, 12072, 13290, 14176, 15090, 15948, 16096, 17720, 18108, 19935, 20120, 21264, 22635, 24144, 26580, 28352, 30180, 31896, 32192, 35440, 36216, 39870, 40240, 42528, 45270, 48288, 53160, 60360, 63792, 70880, 72432, 79740, 80480, 85056, 90540, 96576, 106320, 120720, 127584, 141760, 144864, 159480, 160960, 181080, 212640, 222829, 241440, 255168, 289728, 318960, 362160, 425280, 445658, 482880, 637920, 668487, 724320, 891316, 1114145, 1275840, 1336974, 1448640, 1782632, 2005461, 2228290, 2673948, 3342435, 3565264, 4010922, 4456580, 5347896, 6684870, 7130528, 8021844, 8913160, 10027305, 10695792, 13369740, 14261056, 16043688, 17826320, 20054610, 21391584, 26739480, 32087376, 35652640, 40109220, 42783168, 53478960, 64174752, 71305280, 80218440, 106957920, 128349504, 160436880, 213915840, 320873760, 641747520]

約数ペア:

[(1, 641747520), (2, 320873760), (3, 213915840), (4, 160436880), (5, 128349504), (6, 106957920), (8, 80218440), (9, 71305280), (10, 64174752), (12, 53478960), (15, 42783168), (16, 40109220), (18, 35652640), (20, 32087376), (24, 26739480), (30, 21391584), (32, 20054610), (36, 17826320), (40, 16043688), (45, 14261056), (48, 13369740), (60, 10695792), (64, 10027305), (72, 8913160), (80, 8021844), (90, 7130528), (96, 6684870), (120, 5347896), (144, 4456580), (160, 4010922), (180, 3565264), (192, 3342435), (240, 2673948), (288, 2228290), (320, 2005461), (360, 1782632), (443, 1448640), (480, 1336974), (503, 1275840), (576, 1114145), (720, 891316), (886, 724320), (960, 668487), (1006, 637920), (1329, 482880), (1440, 445658), (1509, 425280), (1772, 362160), (2012, 318960), (2215, 289728), (2515, 255168), (2658, 241440), (2880, 222829), (3018, 212640), (3544, 181080), (3987, 160960), (4024, 159480), (4430, 144864), (4527, 141760), (5030, 127584), (5316, 120720), (6036, 106320), (6645, 96576), (7088, 90540), (7545, 85056), (7974, 80480), (8048, 79740), (8860, 72432), (9054, 70880), (10060, 63792), (10632, 60360), (12072, 53160), (13290, 48288), (14176, 45270), (15090, 42528), (15948, 40240), (16096, 39870), (17720, 36216), (18108, 35440), (19935, 32192), (20120, 31896), (21264, 30180), (22635, 28352), (24144, 26580)]