About the Number

121661280

121661279 ← → 121661281

2進数表記:111010000000110011101100000

漢数字表記:一億二千百六十六万千二百八十

素因数分解:

2 5 × 3 2 × 5 1 × 13 1 × 67 1 × 97 1

素因数の和:198
約数の個数: 288
約数和(自身を含む): 458456544
約数和(自身を除く): 336795264

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 67, 72, 78, 80, 90, 96, 97, 104, 117, 120, 130, 134, 144, 156, 160, 180, 194, 195, 201, 208, 234, 240, 260, 268, 288, 291, 312, 335, 360, 388, 390, 402, 416, 468, 480, 485, 520, 536, 582, 585, 603, 624, 670, 720, 776, 780, 804, 871, 873, 936, 970, 1005, 1040, 1072, 1164, 1170, 1206, 1248, 1261, 1340, 1440, 1455, 1552, 1560, 1608, 1742, 1746, 1872, 1940, 2010, 2080, 2144, 2328, 2340, 2412, 2522, 2613, 2680, 2910, 3015, 3104, 3120, 3216, 3484, 3492, 3744, 3783, 3880, 4020, 4355, 4365, 4656, 4680, 4824, 5044, 5226, 5360, 5820, 6030, 6240, 6305, 6432, 6499, 6968, 6984, 7566, 7760, 7839, 8040, 8710, 8730, 9312, 9360, 9648, 10088, 10452, 10720, 11349, 11640, 12060, 12610, 12998, 13065, 13936, 13968, 15132, 15520, 15678, 16080, 17420, 17460, 18720, 18915, 19296, 19497, 20176, 20904, 22698, 23280, 24120, 25220, 25996, 26130, 27872, 27936, 30264, 31356, 32160, 32495, 34840, 34920, 37830, 38994, 39195, 40352, 41808, 45396, 46560, 48240, 50440, 51992, 52260, 56745, 58491, 60528, 62712, 64990, 69680, 69840, 75660, 77988, 78390, 83616, 84487, 90792, 96480, 97485, 100880, 103984, 104520, 113490, 116982, 121056, 125424, 129980, 139360, 139680, 151320, 155976, 156780, 168974, 181584, 194970, 201760, 207968, 209040, 226980, 233964, 250848, 253461, 259960, 292455, 302640, 311952, 313560, 337948, 363168, 389940, 418080, 422435, 453960, 467928, 506922, 519920, 584910, 605280, 623904, 627120, 675896, 760383, 779880, 844870, 907920, 935856, 1013844, 1039840, 1169820, 1254240, 1267305, 1351792, 1520766, 1559760, 1689740, 1815840, 1871712, 2027688, 2339640, 2534610, 2703584, 3041532, 3119520, 3379480, 3801915, 4055376, 4679280, 5069220, 6083064, 6758960, 7603830, 8110752, 9358560, 10138440, 12166128, 13517920, 15207660, 20276880, 24332256, 30415320, 40553760, 60830640, 121661280]

約数ペア:
[(1, 121661280), (2, 60830640), (3, 40553760), (4, 30415320), (5, 24332256), (6, 20276880), (8, 15207660), (9, 13517920), (10, 12166128), (12, 10138440), (13, 9358560), (15, 8110752), (16, 7603830), (18, 6758960), (20, 6083064), (24, 5069220), (26, 4679280), (30, 4055376), (32, 3801915), (36, 3379480), (39, 3119520), (40, 3041532), (45, 2703584), (48, 2534610), (52, 2339640), (60, 2027688), (65, 1871712), (67, 1815840), (72, 1689740), (78, 1559760), (80, 1520766), (90, 1351792), (96, 1267305), (97, 1254240), (104, 1169820), (117, 1039840), (120, 1013844), (130, 935856), (134, 907920), (144, 844870), (156, 779880), (160, 760383), (180, 675896), (194, 627120), (195, 623904), (201, 605280), (208, 584910), (234, 519920), (240, 506922), (260, 467928), (268, 453960), (288, 422435), (291, 418080), (312, 389940), (335, 363168), (360, 337948), (388, 313560), (390, 311952), (402, 302640), (416, 292455), (468, 259960), (480, 253461), (485, 250848), (520, 233964), (536, 226980), (582, 209040), (585, 207968), (603, 201760), (624, 194970), (670, 181584), (720, 168974), (776, 156780), (780, 155976), (804, 151320), (871, 139680), (873, 139360), (936, 129980), (970, 125424), (1005, 121056), (1040, 116982), (1072, 113490), (1164, 104520), (1170, 103984), (1206, 100880), (1248, 97485), (1261, 96480), (1340, 90792), (1440, 84487), (1455, 83616), (1552, 78390), (1560, 77988), (1608, 75660), (1742, 69840), (1746, 69680), (1872, 64990), (1940, 62712), (2010, 60528), (2080, 58491), (2144, 56745), (2328, 52260), (2340, 51992), (2412, 50440), (2522, 48240), (2613, 46560), (2680, 45396), (2910, 41808), (3015, 40352), (3104, 39195), (3120, 38994), (3216, 37830), (3484, 34920), (3492, 34840), (3744, 32495), (3783, 32160), (3880, 31356), (4020, 30264), (4355, 27936), (4365, 27872), (4656, 26130), (4680, 25996), (4824, 25220), (5044, 24120), (5226, 23280), (5360, 22698), (5820, 20904), (6030, 20176), (6240, 19497), (6305, 19296), (6432, 18915), (6499, 18720), (6968, 17460), (6984, 17420), (7566, 16080), (7760, 15678), (7839, 15520), (8040, 15132), (8710, 13968), (8730, 13936), (9312, 13065), (9360, 12998), (9648, 12610), (10088, 12060), (10452, 11640), (10720, 11349)]

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