2520001638

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1831}}^1$

素因数の和:2191

約数の個数: 128

約数和(自身を含む): 7006740480

約数和(自身を除く): 4486738842

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 126, 154, 189, 198, 231, 297, 331, 378, 462, 594, 662, 693, 993, 1386, 1831, 1986, 2079, 2317, 2979, 3641, 3662, 4158, 4634, 5493, 5958, 6951, 7282, 8937, 10923, 10986, 12817, 13902, 16479, 17874, 20141, 20853, 21846, 25487, 25634, 32769, 32958, 38451, 40282, 41706, 49437, 50974, 60423, 62559, 65538, 76461, 76902, 98307, 98874, 115353, 120846, 125118, 140987, 152922, 181269, 196614, 229383, 230706, 281974, 346059, 362538, 422961, 458766, 543807, 606061, 688149, 692118, 845922, 1087614, 1212122, 1268883, 1376298, 1818183, 2537766, 3636366, 3806649, 4242427, 5454549, 6666671, 7613298, 8484854, 10909098, 12727281, 13333342, 16363647, 20000013, 25454562, 32727294, 38181843, 40000026, 46666697, 60000039, 76363686, 93333394, 114545529, 120000078, 140000091, 180000117, 229091058, 280000182, 360000234, 420000273, 840000546, 1260000819, 2520001638]

約数ペア:

[(1, 2520001638), (2, 1260000819), (3, 840000546), (6, 420000273), (7, 360000234), (9, 280000182), (11, 229091058), (14, 180000117), (18, 140000091), (21, 120000078), (22, 114545529), (27, 93333394), (33, 76363686), (42, 60000039), (54, 46666697), (63, 40000026), (66, 38181843), (77, 32727294), (99, 25454562), (126, 20000013), (154, 16363647), (189, 13333342), (198, 12727281), (231, 10909098), (297, 8484854), (331, 7613298), (378, 6666671), (462, 5454549), (594, 4242427), (662, 3806649), (693, 3636366), (993, 2537766), (1386, 1818183), (1831, 1376298), (1986, 1268883), (2079, 1212122), (2317, 1087614), (2979, 845922), (3641, 692118), (3662, 688149), (4158, 606061), (4634, 543807), (5493, 458766), (5958, 422961), (6951, 362538), (7282, 346059), (8937, 281974), (10923, 230706), (10986, 229383), (12817, 196614), (13902, 181269), (16479, 152922), (17874, 140987), (20141, 125118), (20853, 120846), (21846, 115353), (25487, 98874), (25634, 98307), (32769, 76902), (32958, 76461), (38451, 65538), (40282, 62559), (41706, 60423), (49437, 50974)]