About the Number

129720864

129720863 ← → 129720865

2進数表記:111101110110110001000100000

漢数字表記:一億二千九百七十二万八百六十四

素因数分解:

2 5 × 3 1 × 7 1 × 13 1 × 31 1 × 479 1

素因数の和:543
約数の個数: 192
約数和(自身を含む): 433520640
約数和(自身を除く): 303799776

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 32, 39, 42, 48, 52, 56, 62, 78, 84, 91, 93, 96, 104, 112, 124, 156, 168, 182, 186, 208, 217, 224, 248, 273, 312, 336, 364, 372, 403, 416, 434, 479, 496, 546, 624, 651, 672, 728, 744, 806, 868, 958, 992, 1092, 1209, 1248, 1302, 1437, 1456, 1488, 1612, 1736, 1916, 2184, 2418, 2604, 2821, 2874, 2912, 2976, 3224, 3353, 3472, 3832, 4368, 4836, 5208, 5642, 5748, 6227, 6448, 6706, 6944, 7664, 8463, 8736, 9672, 10059, 10416, 11284, 11496, 12454, 12896, 13412, 14849, 15328, 16926, 18681, 19344, 20118, 20832, 22568, 22992, 24908, 26824, 29698, 33852, 37362, 38688, 40236, 43589, 44547, 45136, 45984, 49816, 53648, 59396, 67704, 74724, 80472, 87178, 89094, 90272, 99632, 103943, 107296, 118792, 130767, 135408, 149448, 160944, 174356, 178188, 193037, 199264, 207886, 237584, 261534, 270816, 298896, 311829, 321888, 348712, 356376, 386074, 415772, 475168, 523068, 579111, 597792, 623658, 697424, 712752, 772148, 831544, 1046136, 1158222, 1247316, 1351259, 1394848, 1425504, 1544296, 1663088, 2092272, 2316444, 2494632, 2702518, 3088592, 3326176, 4053777, 4184544, 4632888, 4989264, 5405036, 6177184, 8107554, 9265776, 9978528, 10810072, 16215108, 18531552, 21620144, 32430216, 43240288, 64860432, 129720864]

約数ペア:
[(1, 129720864), (2, 64860432), (3, 43240288), (4, 32430216), (6, 21620144), (7, 18531552), (8, 16215108), (12, 10810072), (13, 9978528), (14, 9265776), (16, 8107554), (21, 6177184), (24, 5405036), (26, 4989264), (28, 4632888), (31, 4184544), (32, 4053777), (39, 3326176), (42, 3088592), (48, 2702518), (52, 2494632), (56, 2316444), (62, 2092272), (78, 1663088), (84, 1544296), (91, 1425504), (93, 1394848), (96, 1351259), (104, 1247316), (112, 1158222), (124, 1046136), (156, 831544), (168, 772148), (182, 712752), (186, 697424), (208, 623658), (217, 597792), (224, 579111), (248, 523068), (273, 475168), (312, 415772), (336, 386074), (364, 356376), (372, 348712), (403, 321888), (416, 311829), (434, 298896), (479, 270816), (496, 261534), (546, 237584), (624, 207886), (651, 199264), (672, 193037), (728, 178188), (744, 174356), (806, 160944), (868, 149448), (958, 135408), (992, 130767), (1092, 118792), (1209, 107296), (1248, 103943), (1302, 99632), (1437, 90272), (1456, 89094), (1488, 87178), (1612, 80472), (1736, 74724), (1916, 67704), (2184, 59396), (2418, 53648), (2604, 49816), (2821, 45984), (2874, 45136), (2912, 44547), (2976, 43589), (3224, 40236), (3353, 38688), (3472, 37362), (3832, 33852), (4368, 29698), (4836, 26824), (5208, 24908), (5642, 22992), (5748, 22568), (6227, 20832), (6448, 20118), (6706, 19344), (6944, 18681), (7664, 16926), (8463, 15328), (8736, 14849), (9672, 13412), (10059, 12896), (10416, 12454), (11284, 11496)]

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