640573668

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:603

約数の個数: 216

約数和(自身を含む): 2046956184

約数和(自身を除く): 1406382516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 41, 42, 49, 51, 63, 68, 82, 84, 98, 102, 119, 123, 126, 147, 153, 164, 196, 204, 238, 246, 252, 287, 294, 306, 357, 369, 441, 476, 492, 521, 574, 588, 612, 697, 714, 738, 833, 861, 882, 1042, 1071, 1148, 1394, 1428, 1476, 1563, 1666, 1722, 1764, 2009, 2084, 2091, 2142, 2499, 2583, 2788, 3126, 3332, 3444, 3647, 4018, 4182, 4284, 4689, 4879, 4998, 5166, 6027, 6252, 6273, 7294, 7497, 8036, 8364, 8857, 9378, 9758, 9996, 10332, 10941, 12054, 12546, 14588, 14637, 14994, 17714, 18081, 18756, 19516, 21361, 21882, 24108, 25092, 25529, 26571, 29274, 29988, 32823, 34153, 35428, 36162, 42722, 43764, 43911, 51058, 53142, 58548, 61999, 64083, 65646, 68306, 72324, 76587, 79713, 85444, 87822, 102116, 102459, 106284, 123998, 128166, 131292, 136612, 149527, 153174, 159426, 175644, 185997, 192249, 204918, 229761, 247996, 256332, 299054, 306348, 307377, 318852, 363137, 371994, 384498, 409836, 433993, 448581, 459522, 557991, 598108, 614754, 726274, 743988, 768996, 867986, 897162, 919044, 1046689, 1089411, 1115982, 1229508, 1301979, 1345743, 1452548, 1735972, 1794324, 2093378, 2178822, 2231964, 2541959, 2603958, 2691486, 3140067, 3268233, 3905937, 4186756, 4357644, 5083918, 5207916, 5382972, 6280134, 6536466, 7625877, 7811874, 9420201, 10167836, 12560268, 13072932, 15251754, 15623748, 17793713, 18840402, 22877631, 30503508, 35587426, 37680804, 45755262, 53381139, 71174852, 91510524, 106762278, 160143417, 213524556, 320286834, 640573668]

約数ペア:

[(1, 640573668), (2, 320286834), (3, 213524556), (4, 160143417), (6, 106762278), (7, 91510524), (9, 71174852), (12, 53381139), (14, 45755262), (17, 37680804), (18, 35587426), (21, 30503508), (28, 22877631), (34, 18840402), (36, 17793713), (41, 15623748), (42, 15251754), (49, 13072932), (51, 12560268), (63, 10167836), (68, 9420201), (82, 7811874), (84, 7625877), (98, 6536466), (102, 6280134), (119, 5382972), (123, 5207916), (126, 5083918), (147, 4357644), (153, 4186756), (164, 3905937), (196, 3268233), (204, 3140067), (238, 2691486), (246, 2603958), (252, 2541959), (287, 2231964), (294, 2178822), (306, 2093378), (357, 1794324), (369, 1735972), (441, 1452548), (476, 1345743), (492, 1301979), (521, 1229508), (574, 1115982), (588, 1089411), (612, 1046689), (697, 919044), (714, 897162), (738, 867986), (833, 768996), (861, 743988), (882, 726274), (1042, 614754), (1071, 598108), (1148, 557991), (1394, 459522), (1428, 448581), (1476, 433993), (1563, 409836), (1666, 384498), (1722, 371994), (1764, 363137), (2009, 318852), (2084, 307377), (2091, 306348), (2142, 299054), (2499, 256332), (2583, 247996), (2788, 229761), (3126, 204918), (3332, 192249), (3444, 185997), (3647, 175644), (4018, 159426), (4182, 153174), (4284, 149527), (4689, 136612), (4879, 131292), (4998, 128166), (5166, 123998), (6027, 106284), (6252, 102459), (6273, 102116), (7294, 87822), (7497, 85444), (8036, 79713), (8364, 76587), (8857, 72324), (9378, 68306), (9758, 65646), (9996, 64083), (10332, 61999), (10941, 58548), (12054, 53142), (12546, 51058), (14588, 43911), (14637, 43764), (14994, 42722), (17714, 36162), (18081, 35428), (18756, 34153), (19516, 32823), (21361, 29988), (21882, 29274), (24108, 26571), (25092, 25529)]