257331744

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:144

約数の個数: 288

約数和(自身を含む): 836559360

約数和(自身を除く): 579227616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 37, 38, 41, 48, 57, 62, 72, 74, 76, 82, 93, 96, 111, 114, 123, 124, 144, 148, 152, 164, 171, 186, 222, 228, 246, 248, 279, 288, 296, 304, 328, 333, 342, 369, 372, 444, 456, 492, 496, 558, 589, 592, 608, 656, 666, 684, 703, 738, 744, 779, 888, 912, 984, 992, 1116, 1147, 1178, 1184, 1271, 1312, 1332, 1368, 1406, 1476, 1488, 1517, 1558, 1767, 1776, 1824, 1968, 2109, 2232, 2294, 2337, 2356, 2542, 2664, 2736, 2812, 2952, 2976, 3034, 3116, 3441, 3534, 3552, 3813, 3936, 4218, 4464, 4551, 4588, 4674, 4712, 5084, 5301, 5328, 5472, 5624, 5904, 6068, 6232, 6327, 6882, 7011, 7068, 7626, 8436, 8928, 9102, 9176, 9348, 9424, 10168, 10323, 10602, 10656, 11248, 11439, 11808, 12136, 12464, 12654, 13653, 13764, 14022, 14136, 15252, 16872, 18204, 18352, 18696, 18848, 20336, 20646, 21204, 21793, 22496, 22878, 24149, 24272, 24928, 25308, 27306, 27528, 28044, 28272, 28823, 30504, 33744, 36408, 36704, 37392, 40672, 41292, 42408, 43586, 45756, 47027, 48298, 48544, 50616, 54612, 55056, 56088, 56544, 57646, 61008, 65379, 67488, 72447, 72816, 74784, 82584, 84816, 86469, 87172, 91512, 94054, 96596, 101232, 109224, 110112, 112176, 115292, 122016, 130758, 141081, 144894, 145632, 165168, 169632, 172938, 174344, 183024, 188108, 193192, 196137, 202464, 217341, 218448, 224352, 230584, 259407, 261516, 282162, 289788, 330336, 345876, 348688, 366048, 376216, 386384, 392274, 423243, 434682, 436896, 461168, 518814, 523032, 564324, 579576, 691752, 697376, 752432, 772768, 784548, 846486, 869364, 893513, 922336, 1037628, 1046064, 1128648, 1159152, 1383504, 1504864, 1569096, 1692972, 1738728, 1787026, 2075256, 2092128, 2257296, 2318304, 2680539, 2767008, 3138192, 3385944, 3477456, 3574052, 4150512, 4514592, 5361078, 6276384, 6771888, 6954912, 7148104, 8041617, 8301024, 10722156, 13543776, 14296208, 16083234, 21444312, 28592416, 32166468, 42888624, 64332936, 85777248, 128665872, 257331744]

約数ペア:

[(1, 257331744), (2, 128665872), (3, 85777248), (4, 64332936), (6, 42888624), (8, 32166468), (9, 28592416), (12, 21444312), (16, 16083234), (18, 14296208), (19, 13543776), (24, 10722156), (31, 8301024), (32, 8041617), (36, 7148104), (37, 6954912), (38, 6771888), (41, 6276384), (48, 5361078), (57, 4514592), (62, 4150512), (72, 3574052), (74, 3477456), (76, 3385944), (82, 3138192), (93, 2767008), (96, 2680539), (111, 2318304), (114, 2257296), (123, 2092128), (124, 2075256), (144, 1787026), (148, 1738728), (152, 1692972), (164, 1569096), (171, 1504864), (186, 1383504), (222, 1159152), (228, 1128648), (246, 1046064), (248, 1037628), (279, 922336), (288, 893513), (296, 869364), (304, 846486), (328, 784548), (333, 772768), (342, 752432), (369, 697376), (372, 691752), (444, 579576), (456, 564324), (492, 523032), (496, 518814), (558, 461168), (589, 436896), (592, 434682), (608, 423243), (656, 392274), (666, 386384), (684, 376216), (703, 366048), (738, 348688), (744, 345876), (779, 330336), (888, 289788), (912, 282162), (984, 261516), (992, 259407), (1116, 230584), (1147, 224352), (1178, 218448), (1184, 217341), (1271, 202464), (1312, 196137), (1332, 193192), (1368, 188108), (1406, 183024), (1476, 174344), (1488, 172938), (1517, 169632), (1558, 165168), (1767, 145632), (1776, 144894), (1824, 141081), (1968, 130758), (2109, 122016), (2232, 115292), (2294, 112176), (2337, 110112), (2356, 109224), (2542, 101232), (2664, 96596), (2736, 94054), (2812, 91512), (2952, 87172), (2976, 86469), (3034, 84816), (3116, 82584), (3441, 74784), (3534, 72816), (3552, 72447), (3813, 67488), (3936, 65379), (4218, 61008), (4464, 57646), (4551, 56544), (4588, 56088), (4674, 55056), (4712, 54612), (5084, 50616), (5301, 48544), (5328, 48298), (5472, 47027), (5624, 45756), (5904, 43586), (6068, 42408), (6232, 41292), (6327, 40672), (6882, 37392), (7011, 36704), (7068, 36408), (7626, 33744), (8436, 30504), (8928, 28823), (9102, 28272), (9176, 28044), (9348, 27528), (9424, 27306), (10168, 25308), (10323, 24928), (10602, 24272), (10656, 24149), (11248, 22878), (11439, 22496), (11808, 21793), (12136, 21204), (12464, 20646), (12654, 20336), (13653, 18848), (13764, 18696), (14022, 18352), (14136, 18204), (15252, 16872)]