About the Number

128665872

128665871 ← → 128665873

2進数表記:111101010110100100100010000

漢数字表記:一億二千八百六十六万五千八百七十二

素因数分解:

2 4 × 3 2 × 19 1 × 31 1 × 37 1 × 41 1

素因数の和:142
約数の個数: 240
約数和(自身を含む): 411640320
約数和(自身を除く): 282974448

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 37, 38, 41, 48, 57, 62, 72, 74, 76, 82, 93, 111, 114, 123, 124, 144, 148, 152, 164, 171, 186, 222, 228, 246, 248, 279, 296, 304, 328, 333, 342, 369, 372, 444, 456, 492, 496, 558, 589, 592, 656, 666, 684, 703, 738, 744, 779, 888, 912, 984, 1116, 1147, 1178, 1271, 1332, 1368, 1406, 1476, 1488, 1517, 1558, 1767, 1776, 1968, 2109, 2232, 2294, 2337, 2356, 2542, 2664, 2736, 2812, 2952, 3034, 3116, 3441, 3534, 3813, 4218, 4464, 4551, 4588, 4674, 4712, 5084, 5301, 5328, 5624, 5904, 6068, 6232, 6327, 6882, 7011, 7068, 7626, 8436, 9102, 9176, 9348, 9424, 10168, 10323, 10602, 11248, 11439, 12136, 12464, 12654, 13653, 13764, 14022, 14136, 15252, 16872, 18204, 18352, 18696, 20336, 20646, 21204, 21793, 22878, 24149, 24272, 25308, 27306, 27528, 28044, 28272, 28823, 30504, 33744, 36408, 37392, 41292, 42408, 43586, 45756, 47027, 48298, 50616, 54612, 55056, 56088, 57646, 61008, 65379, 72447, 72816, 82584, 84816, 86469, 87172, 91512, 94054, 96596, 101232, 109224, 112176, 115292, 130758, 141081, 144894, 165168, 172938, 174344, 183024, 188108, 193192, 196137, 217341, 218448, 230584, 259407, 261516, 282162, 289788, 345876, 348688, 376216, 386384, 392274, 423243, 434682, 461168, 518814, 523032, 564324, 579576, 691752, 752432, 784548, 846486, 869364, 893513, 1037628, 1046064, 1128648, 1159152, 1383504, 1569096, 1692972, 1738728, 1787026, 2075256, 2257296, 2680539, 3138192, 3385944, 3477456, 3574052, 4150512, 5361078, 6771888, 7148104, 8041617, 10722156, 14296208, 16083234, 21444312, 32166468, 42888624, 64332936, 128665872]

約数ペア:
[(1, 128665872), (2, 64332936), (3, 42888624), (4, 32166468), (6, 21444312), (8, 16083234), (9, 14296208), (12, 10722156), (16, 8041617), (18, 7148104), (19, 6771888), (24, 5361078), (31, 4150512), (36, 3574052), (37, 3477456), (38, 3385944), (41, 3138192), (48, 2680539), (57, 2257296), (62, 2075256), (72, 1787026), (74, 1738728), (76, 1692972), (82, 1569096), (93, 1383504), (111, 1159152), (114, 1128648), (123, 1046064), (124, 1037628), (144, 893513), (148, 869364), (152, 846486), (164, 784548), (171, 752432), (186, 691752), (222, 579576), (228, 564324), (246, 523032), (248, 518814), (279, 461168), (296, 434682), (304, 423243), (328, 392274), (333, 386384), (342, 376216), (369, 348688), (372, 345876), (444, 289788), (456, 282162), (492, 261516), (496, 259407), (558, 230584), (589, 218448), (592, 217341), (656, 196137), (666, 193192), (684, 188108), (703, 183024), (738, 174344), (744, 172938), (779, 165168), (888, 144894), (912, 141081), (984, 130758), (1116, 115292), (1147, 112176), (1178, 109224), (1271, 101232), (1332, 96596), (1368, 94054), (1406, 91512), (1476, 87172), (1488, 86469), (1517, 84816), (1558, 82584), (1767, 72816), (1776, 72447), (1968, 65379), (2109, 61008), (2232, 57646), (2294, 56088), (2337, 55056), (2356, 54612), (2542, 50616), (2664, 48298), (2736, 47027), (2812, 45756), (2952, 43586), (3034, 42408), (3116, 41292), (3441, 37392), (3534, 36408), (3813, 33744), (4218, 30504), (4464, 28823), (4551, 28272), (4588, 28044), (4674, 27528), (4712, 27306), (5084, 25308), (5301, 24272), (5328, 24149), (5624, 22878), (5904, 21793), (6068, 21204), (6232, 20646), (6327, 20336), (6882, 18696), (7011, 18352), (7068, 18204), (7626, 16872), (8436, 15252), (9102, 14136), (9176, 14022), (9348, 13764), (9424, 13653), (10168, 12654), (10323, 12464), (10602, 12136), (11248, 11439)]

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