642367656

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:126

約数の個数: 288

約数和(自身を含む): 2194920000

約数和(自身を除く): 1552552344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 37, 38, 42, 49, 56, 57, 63, 72, 74, 76, 84, 98, 111, 114, 126, 133, 147, 148, 152, 168, 171, 196, 222, 228, 252, 259, 266, 294, 296, 333, 342, 343, 392, 399, 441, 444, 456, 504, 518, 532, 588, 666, 684, 686, 703, 777, 798, 882, 888, 931, 1029, 1036, 1064, 1176, 1197, 1332, 1368, 1369, 1372, 1406, 1554, 1596, 1764, 1813, 1862, 2058, 2072, 2109, 2331, 2394, 2664, 2738, 2744, 2793, 2812, 3087, 3108, 3192, 3528, 3626, 3724, 4107, 4116, 4218, 4662, 4788, 4921, 5439, 5476, 5586, 5624, 6174, 6216, 6327, 6517, 7252, 7448, 8214, 8232, 8379, 8436, 9324, 9576, 9583, 9842, 10878, 10952, 11172, 12321, 12348, 12654, 12691, 13034, 14504, 14763, 16317, 16428, 16758, 16872, 18648, 19166, 19551, 19684, 21756, 22344, 24642, 24696, 25308, 25382, 26011, 26068, 28749, 29526, 32634, 32856, 33516, 34447, 38073, 38332, 39102, 39368, 43512, 44289, 49284, 50616, 50764, 52022, 52136, 57498, 58653, 59052, 65268, 67032, 67081, 68894, 76146, 76664, 78033, 78204, 86247, 88578, 98568, 101528, 103341, 104044, 114219, 114996, 117306, 118104, 130536, 134162, 137788, 152292, 156066, 156408, 172494, 177156, 182077, 201243, 206682, 208088, 228438, 229992, 234099, 234612, 241129, 268324, 275576, 304584, 310023, 312132, 344988, 354312, 364154, 402486, 413364, 456876, 468198, 469224, 469567, 482258, 536648, 546231, 603729, 620046, 624264, 689976, 723387, 728308, 804972, 826728, 913752, 936396, 939134, 964516, 1092462, 1207458, 1240092, 1274539, 1408701, 1446774, 1456616, 1609944, 1638693, 1872792, 1878268, 1929032, 2170161, 2184924, 2414916, 2480184, 2549078, 2817402, 2893548, 3277386, 3756536, 3823617, 4226103, 4340322, 4369848, 4829832, 5098156, 5634804, 5787096, 6554772, 7647234, 8452206, 8680644, 8921773, 10196312, 11269608, 11470851, 13109544, 15294468, 16904412, 17361288, 17843546, 22941702, 26765319, 30588936, 33808824, 35687092, 45883404, 53530638, 71374184, 80295957, 91766808, 107061276, 160591914, 214122552, 321183828, 642367656]

約数ペア:

[(1, 642367656), (2, 321183828), (3, 214122552), (4, 160591914), (6, 107061276), (7, 91766808), (8, 80295957), (9, 71374184), (12, 53530638), (14, 45883404), (18, 35687092), (19, 33808824), (21, 30588936), (24, 26765319), (28, 22941702), (36, 17843546), (37, 17361288), (38, 16904412), (42, 15294468), (49, 13109544), (56, 11470851), (57, 11269608), (63, 10196312), (72, 8921773), (74, 8680644), (76, 8452206), (84, 7647234), (98, 6554772), (111, 5787096), (114, 5634804), (126, 5098156), (133, 4829832), (147, 4369848), (148, 4340322), (152, 4226103), (168, 3823617), (171, 3756536), (196, 3277386), (222, 2893548), (228, 2817402), (252, 2549078), (259, 2480184), (266, 2414916), (294, 2184924), (296, 2170161), (333, 1929032), (342, 1878268), (343, 1872792), (392, 1638693), (399, 1609944), (441, 1456616), (444, 1446774), (456, 1408701), (504, 1274539), (518, 1240092), (532, 1207458), (588, 1092462), (666, 964516), (684, 939134), (686, 936396), (703, 913752), (777, 826728), (798, 804972), (882, 728308), (888, 723387), (931, 689976), (1029, 624264), (1036, 620046), (1064, 603729), (1176, 546231), (1197, 536648), (1332, 482258), (1368, 469567), (1369, 469224), (1372, 468198), (1406, 456876), (1554, 413364), (1596, 402486), (1764, 364154), (1813, 354312), (1862, 344988), (2058, 312132), (2072, 310023), (2109, 304584), (2331, 275576), (2394, 268324), (2664, 241129), (2738, 234612), (2744, 234099), (2793, 229992), (2812, 228438), (3087, 208088), (3108, 206682), (3192, 201243), (3528, 182077), (3626, 177156), (3724, 172494), (4107, 156408), (4116, 156066), (4218, 152292), (4662, 137788), (4788, 134162), (4921, 130536), (5439, 118104), (5476, 117306), (5586, 114996), (5624, 114219), (6174, 104044), (6216, 103341), (6327, 101528), (6517, 98568), (7252, 88578), (7448, 86247), (8214, 78204), (8232, 78033), (8379, 76664), (8436, 76146), (9324, 68894), (9576, 67081), (9583, 67032), (9842, 65268), (10878, 59052), (10952, 58653), (11172, 57498), (12321, 52136), (12348, 52022), (12654, 50764), (12691, 50616), (13034, 49284), (14504, 44289), (14763, 43512), (16317, 39368), (16428, 39102), (16758, 38332), (16872, 38073), (18648, 34447), (19166, 33516), (19551, 32856), (19684, 32634), (21756, 29526), (22344, 28749), (24642, 26068), (24696, 26011), (25308, 25382)]