285123456

素因数分解:

$2^7\times 3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 256

約数和(自身を含む): 934156800

約数和(自身を除く): 649033344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 23, 24, 27, 32, 34, 36, 46, 48, 51, 54, 64, 68, 69, 72, 92, 96, 102, 108, 128, 136, 138, 144, 153, 184, 192, 204, 207, 211, 216, 272, 276, 288, 306, 368, 384, 391, 408, 414, 422, 432, 459, 544, 552, 576, 612, 621, 633, 736, 782, 816, 828, 844, 864, 918, 1088, 1104, 1152, 1173, 1224, 1242, 1266, 1472, 1564, 1632, 1656, 1688, 1728, 1836, 1899, 2176, 2208, 2346, 2448, 2484, 2532, 2944, 3128, 3264, 3312, 3376, 3456, 3519, 3587, 3672, 3798, 4416, 4692, 4853, 4896, 4968, 5064, 5697, 6256, 6528, 6624, 6752, 7038, 7174, 7344, 7596, 8832, 9384, 9706, 9792, 9936, 10128, 10557, 10761, 11394, 12512, 13248, 13504, 14076, 14348, 14559, 14688, 15192, 18768, 19412, 19584, 19872, 20256, 21114, 21522, 22788, 25024, 26496, 27008, 28152, 28696, 29118, 29376, 30384, 32283, 37536, 38824, 39744, 40512, 42228, 43044, 43677, 45576, 50048, 56304, 57392, 58236, 58752, 60768, 64566, 75072, 77648, 79488, 81024, 82501, 84456, 86088, 87354, 91152, 96849, 112608, 114784, 116472, 121536, 129132, 131031, 150144, 155296, 165002, 168912, 172176, 174708, 182304, 193698, 225216, 229568, 232944, 243072, 247503, 258264, 262062, 310592, 330004, 337824, 344352, 349416, 364608, 387396, 450432, 459136, 465888, 495006, 516528, 524124, 621184, 660008, 675648, 688704, 698832, 729216, 742509, 774792, 931776, 990012, 1033056, 1048248, 1320016, 1351296, 1377408, 1397664, 1485018, 1549584, 1863552, 1980024, 2066112, 2096496, 2227527, 2640032, 2795328, 2970036, 3099168, 3960048, 4132224, 4192992, 4455054, 5280064, 5590656, 5940072, 6198336, 7920096, 8385984, 8910108, 10560128, 11880144, 12396672, 15840192, 16771968, 17820216, 23760288, 31680384, 35640432, 47520576, 71280864, 95041152, 142561728, 285123456]

約数ペア:

[(1, 285123456), (2, 142561728), (3, 95041152), (4, 71280864), (6, 47520576), (8, 35640432), (9, 31680384), (12, 23760288), (16, 17820216), (17, 16771968), (18, 15840192), (23, 12396672), (24, 11880144), (27, 10560128), (32, 8910108), (34, 8385984), (36, 7920096), (46, 6198336), (48, 5940072), (51, 5590656), (54, 5280064), (64, 4455054), (68, 4192992), (69, 4132224), (72, 3960048), (92, 3099168), (96, 2970036), (102, 2795328), (108, 2640032), (128, 2227527), (136, 2096496), (138, 2066112), (144, 1980024), (153, 1863552), (184, 1549584), (192, 1485018), (204, 1397664), (207, 1377408), (211, 1351296), (216, 1320016), (272, 1048248), (276, 1033056), (288, 990012), (306, 931776), (368, 774792), (384, 742509), (391, 729216), (408, 698832), (414, 688704), (422, 675648), (432, 660008), (459, 621184), (544, 524124), (552, 516528), (576, 495006), (612, 465888), (621, 459136), (633, 450432), (736, 387396), (782, 364608), (816, 349416), (828, 344352), (844, 337824), (864, 330004), (918, 310592), (1088, 262062), (1104, 258264), (1152, 247503), (1173, 243072), (1224, 232944), (1242, 229568), (1266, 225216), (1472, 193698), (1564, 182304), (1632, 174708), (1656, 172176), (1688, 168912), (1728, 165002), (1836, 155296), (1899, 150144), (2176, 131031), (2208, 129132), (2346, 121536), (2448, 116472), (2484, 114784), (2532, 112608), (2944, 96849), (3128, 91152), (3264, 87354), (3312, 86088), (3376, 84456), (3456, 82501), (3519, 81024), (3587, 79488), (3672, 77648), (3798, 75072), (4416, 64566), (4692, 60768), (4853, 58752), (4896, 58236), (4968, 57392), (5064, 56304), (5697, 50048), (6256, 45576), (6528, 43677), (6624, 43044), (6752, 42228), (7038, 40512), (7174, 39744), (7344, 38824), (7596, 37536), (8832, 32283), (9384, 30384), (9706, 29376), (9792, 29118), (9936, 28696), (10128, 28152), (10557, 27008), (10761, 26496), (11394, 25024), (12512, 22788), (13248, 21522), (13504, 21114), (14076, 20256), (14348, 19872), (14559, 19584), (14688, 19412), (15192, 18768)]