257013120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1513

約数の個数: 256

約数和(自身を含む): 1008967680

約数和(自身を除く): 751954560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 640, 672, 728, 780, 832, 840, 896, 910, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1456, 1471, 1560, 1664, 1680, 1820, 1920, 2080, 2184, 2240, 2496, 2688, 2730, 2912, 2942, 3120, 3360, 3640, 4160, 4368, 4413, 4480, 4992, 5460, 5824, 5884, 6240, 6720, 7280, 7355, 8320, 8736, 8826, 10297, 10920, 11648, 11768, 12480, 13440, 14560, 14710, 17472, 17652, 19123, 20594, 21840, 22065, 23536, 24960, 29120, 29420, 30891, 34944, 35304, 38246, 41188, 43680, 44130, 47072, 51485, 57369, 58240, 58840, 61782, 70608, 76492, 82376, 87360, 88260, 94144, 95615, 102970, 114738, 117680, 123564, 133861, 141216, 152984, 154455, 164752, 174720, 176520, 188288, 191230, 205940, 229476, 235360, 247128, 267722, 282432, 286845, 305968, 308910, 329504, 353040, 382460, 401583, 411880, 458952, 470720, 494256, 535444, 564864, 573690, 611936, 617820, 659008, 669305, 706080, 764920, 803166, 823760, 917904, 941440, 988512, 1070888, 1147380, 1223872, 1235640, 1318016, 1338610, 1412160, 1529840, 1606332, 1647520, 1835808, 1977024, 2007915, 2141776, 2294760, 2447744, 2471280, 2677220, 2824320, 3059680, 3212664, 3295040, 3671616, 3954048, 4015830, 4283552, 4589520, 4942560, 5354440, 6119360, 6425328, 6590080, 7343232, 8031660, 8567104, 9179040, 9885120, 10708880, 12238720, 12850656, 16063320, 17134208, 18358080, 19770240, 21417760, 25701312, 32126640, 36716160, 42835520, 51402624, 64253280, 85671040, 128506560, 257013120]

約数ペア:

[(1, 257013120), (2, 128506560), (3, 85671040), (4, 64253280), (5, 51402624), (6, 42835520), (7, 36716160), (8, 32126640), (10, 25701312), (12, 21417760), (13, 19770240), (14, 18358080), (15, 17134208), (16, 16063320), (20, 12850656), (21, 12238720), (24, 10708880), (26, 9885120), (28, 9179040), (30, 8567104), (32, 8031660), (35, 7343232), (39, 6590080), (40, 6425328), (42, 6119360), (48, 5354440), (52, 4942560), (56, 4589520), (60, 4283552), (64, 4015830), (65, 3954048), (70, 3671616), (78, 3295040), (80, 3212664), (84, 3059680), (91, 2824320), (96, 2677220), (104, 2471280), (105, 2447744), (112, 2294760), (120, 2141776), (128, 2007915), (130, 1977024), (140, 1835808), (156, 1647520), (160, 1606332), (168, 1529840), (182, 1412160), (192, 1338610), (195, 1318016), (208, 1235640), (210, 1223872), (224, 1147380), (240, 1070888), (260, 988512), (273, 941440), (280, 917904), (312, 823760), (320, 803166), (336, 764920), (364, 706080), (384, 669305), (390, 659008), (416, 617820), (420, 611936), (448, 573690), (455, 564864), (480, 535444), (520, 494256), (546, 470720), (560, 458952), (624, 411880), (640, 401583), (672, 382460), (728, 353040), (780, 329504), (832, 308910), (840, 305968), (896, 286845), (910, 282432), (960, 267722), (1040, 247128), (1092, 235360), (1120, 229476), (1248, 205940), (1344, 191230), (1365, 188288), (1456, 176520), (1471, 174720), (1560, 164752), (1664, 154455), (1680, 152984), (1820, 141216), (1920, 133861), (2080, 123564), (2184, 117680), (2240, 114738), (2496, 102970), (2688, 95615), (2730, 94144), (2912, 88260), (2942, 87360), (3120, 82376), (3360, 76492), (3640, 70608), (4160, 61782), (4368, 58840), (4413, 58240), (4480, 57369), (4992, 51485), (5460, 47072), (5824, 44130), (5884, 43680), (6240, 41188), (6720, 38246), (7280, 35304), (7355, 34944), (8320, 30891), (8736, 29420), (8826, 29120), (10297, 24960), (10920, 23536), (11648, 22065), (11768, 21840), (12480, 20594), (13440, 19123), (14560, 17652), (14710, 17472)]