6461280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{641}}^1$

素因数の和:669

約数の個数: 144

約数和(自身を含む): 25238304

約数和(自身を除く): 18777024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 641, 672, 720, 840, 1008, 1120, 1260, 1282, 1440, 1680, 1923, 2016, 2520, 2564, 3205, 3360, 3846, 4487, 5040, 5128, 5769, 6410, 7692, 8974, 9615, 10080, 10256, 11538, 12820, 13461, 15384, 17948, 19230, 20512, 22435, 23076, 25640, 26922, 28845, 30768, 35896, 38460, 40383, 44870, 46152, 51280, 53844, 57690, 61536, 67305, 71792, 76920, 80766, 89740, 92304, 102560, 107688, 115380, 134610, 143584, 153840, 161532, 179480, 184608, 201915, 215376, 230760, 269220, 307680, 323064, 358960, 403830, 430752, 461520, 538440, 646128, 717920, 807660, 923040, 1076880, 1292256, 1615320, 2153760, 3230640, 6461280]

約数ペア:

[(1, 6461280), (2, 3230640), (3, 2153760), (4, 1615320), (5, 1292256), (6, 1076880), (7, 923040), (8, 807660), (9, 717920), (10, 646128), (12, 538440), (14, 461520), (15, 430752), (16, 403830), (18, 358960), (20, 323064), (21, 307680), (24, 269220), (28, 230760), (30, 215376), (32, 201915), (35, 184608), (36, 179480), (40, 161532), (42, 153840), (45, 143584), (48, 134610), (56, 115380), (60, 107688), (63, 102560), (70, 92304), (72, 89740), (80, 80766), (84, 76920), (90, 71792), (96, 67305), (105, 61536), (112, 57690), (120, 53844), (126, 51280), (140, 46152), (144, 44870), (160, 40383), (168, 38460), (180, 35896), (210, 30768), (224, 28845), (240, 26922), (252, 25640), (280, 23076), (288, 22435), (315, 20512), (336, 19230), (360, 17948), (420, 15384), (480, 13461), (504, 12820), (560, 11538), (630, 10256), (641, 10080), (672, 9615), (720, 8974), (840, 7692), (1008, 6410), (1120, 5769), (1260, 5128), (1282, 5040), (1440, 4487), (1680, 3846), (1923, 3360), (2016, 3205), (2520, 2564)]