20025496680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{12157}}^1$

素因数の和:12268

約数の個数: 256

約数和(自身を含む): 71850862080

約数和(自身を除く): 51825365400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 53, 56, 60, 70, 74, 84, 105, 106, 111, 120, 140, 148, 159, 168, 185, 210, 212, 222, 259, 265, 280, 296, 318, 370, 371, 420, 424, 444, 518, 530, 555, 636, 740, 742, 777, 795, 840, 888, 1036, 1060, 1110, 1113, 1272, 1295, 1480, 1484, 1554, 1590, 1855, 1961, 2072, 2120, 2220, 2226, 2590, 2968, 3108, 3180, 3710, 3885, 3922, 4440, 4452, 5180, 5565, 5883, 6216, 6360, 7420, 7770, 7844, 8904, 9805, 10360, 11130, 11766, 12157, 13727, 14840, 15540, 15688, 19610, 22260, 23532, 24314, 27454, 29415, 31080, 36471, 39220, 41181, 44520, 47064, 48628, 54908, 58830, 60785, 68635, 72942, 78440, 82362, 85099, 97256, 109816, 117660, 121570, 137270, 145884, 164724, 170198, 182355, 205905, 235320, 243140, 255297, 274540, 291768, 329448, 340396, 364710, 411810, 425495, 449809, 486280, 510594, 549080, 644321, 680792, 729420, 823620, 850990, 899618, 1021188, 1276485, 1288642, 1349427, 1458840, 1647240, 1701980, 1799236, 1932963, 2042376, 2249045, 2552970, 2577284, 2698854, 3148663, 3221605, 3403960, 3598472, 3865926, 4498090, 4510247, 5105940, 5154568, 5397708, 6297326, 6443210, 6747135, 7731852, 8996180, 9020494, 9445989, 9664815, 10211880, 10795416, 12594652, 12886420, 13494270, 13530741, 15463704, 15743315, 17992360, 18040988, 18891978, 19329630, 22551235, 23839877, 25189304, 25772840, 26988540, 27061482, 31486630, 36081976, 37783956, 38659260, 45102470, 47229945, 47679754, 53977080, 54122964, 62973260, 67653705, 71519631, 75567912, 77318520, 90204940, 94459890, 95359508, 108245928, 119199385, 125946520, 135307410, 143039262, 166879139, 180409880, 188919780, 190719016, 238398770, 270614820, 286078524, 333758278, 357598155, 377839560, 476797540, 500637417, 541229640, 572157048, 667516556, 715196310, 834395695, 953595080, 1001274834, 1335033112, 1430392620, 1668791390, 2002549668, 2503187085, 2860785240, 3337582780, 4005099336, 5006374170, 6675165560, 10012748340, 20025496680]

約数ペア:

[(1, 20025496680), (2, 10012748340), (3, 6675165560), (4, 5006374170), (5, 4005099336), (6, 3337582780), (7, 2860785240), (8, 2503187085), (10, 2002549668), (12, 1668791390), (14, 1430392620), (15, 1335033112), (20, 1001274834), (21, 953595080), (24, 834395695), (28, 715196310), (30, 667516556), (35, 572157048), (37, 541229640), (40, 500637417), (42, 476797540), (53, 377839560), (56, 357598155), (60, 333758278), (70, 286078524), (74, 270614820), (84, 238398770), (105, 190719016), (106, 188919780), (111, 180409880), (120, 166879139), (140, 143039262), (148, 135307410), (159, 125946520), (168, 119199385), (185, 108245928), (210, 95359508), (212, 94459890), (222, 90204940), (259, 77318520), (265, 75567912), (280, 71519631), (296, 67653705), (318, 62973260), (370, 54122964), (371, 53977080), (420, 47679754), (424, 47229945), (444, 45102470), (518, 38659260), (530, 37783956), (555, 36081976), (636, 31486630), (740, 27061482), (742, 26988540), (777, 25772840), (795, 25189304), (840, 23839877), (888, 22551235), (1036, 19329630), (1060, 18891978), (1110, 18040988), (1113, 17992360), (1272, 15743315), (1295, 15463704), (1480, 13530741), (1484, 13494270), (1554, 12886420), (1590, 12594652), (1855, 10795416), (1961, 10211880), (2072, 9664815), (2120, 9445989), (2220, 9020494), (2226, 8996180), (2590, 7731852), (2968, 6747135), (3108, 6443210), (3180, 6297326), (3710, 5397708), (3885, 5154568), (3922, 5105940), (4440, 4510247), (4452, 4498090), (5180, 3865926), (5565, 3598472), (5883, 3403960), (6216, 3221605), (6360, 3148663), (7420, 2698854), (7770, 2577284), (7844, 2552970), (8904, 2249045), (9805, 2042376), (10360, 1932963), (11130, 1799236), (11766, 1701980), (12157, 1647240), (13727, 1458840), (14840, 1349427), (15540, 1288642), (15688, 1276485), (19610, 1021188), (22260, 899618), (23532, 850990), (24314, 823620), (27454, 729420), (29415, 680792), (31080, 644321), (36471, 549080), (39220, 510594), (41181, 486280), (44520, 449809), (47064, 425495), (48628, 411810), (54908, 364710), (58830, 340396), (60785, 329448), (68635, 291768), (72942, 274540), (78440, 255297), (82362, 243140), (85099, 235320), (97256, 205905), (109816, 182355), (117660, 170198), (121570, 164724), (137270, 145884)]