90401280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 160

約数和(自身を含む): 294624000

約数和(自身を除く): 204222720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 149, 158, 160, 192, 237, 240, 256, 298, 316, 320, 384, 395, 447, 474, 480, 512, 596, 632, 640, 745, 768, 790, 894, 948, 960, 1185, 1192, 1264, 1280, 1490, 1536, 1580, 1788, 1896, 1920, 2235, 2370, 2384, 2528, 2560, 2980, 3160, 3576, 3792, 3840, 4470, 4740, 4768, 5056, 5960, 6320, 7152, 7584, 7680, 8940, 9480, 9536, 10112, 11771, 11920, 12640, 14304, 15168, 17880, 18960, 19072, 20224, 23542, 23840, 25280, 28608, 30336, 35313, 35760, 37920, 38144, 40448, 47084, 47680, 50560, 57216, 58855, 60672, 70626, 71520, 75840, 76288, 94168, 95360, 101120, 114432, 117710, 121344, 141252, 143040, 151680, 176565, 188336, 190720, 202240, 228864, 235420, 282504, 286080, 303360, 353130, 376672, 381440, 470840, 565008, 572160, 606720, 706260, 753344, 941680, 1130016, 1144320, 1412520, 1506688, 1883360, 2260032, 2825040, 3013376, 3766720, 4520064, 5650080, 6026752, 7533440, 9040128, 11300160, 15066880, 18080256, 22600320, 30133760, 45200640, 90401280]

約数ペア:

[(1, 90401280), (2, 45200640), (3, 30133760), (4, 22600320), (5, 18080256), (6, 15066880), (8, 11300160), (10, 9040128), (12, 7533440), (15, 6026752), (16, 5650080), (20, 4520064), (24, 3766720), (30, 3013376), (32, 2825040), (40, 2260032), (48, 1883360), (60, 1506688), (64, 1412520), (79, 1144320), (80, 1130016), (96, 941680), (120, 753344), (128, 706260), (149, 606720), (158, 572160), (160, 565008), (192, 470840), (237, 381440), (240, 376672), (256, 353130), (298, 303360), (316, 286080), (320, 282504), (384, 235420), (395, 228864), (447, 202240), (474, 190720), (480, 188336), (512, 176565), (596, 151680), (632, 143040), (640, 141252), (745, 121344), (768, 117710), (790, 114432), (894, 101120), (948, 95360), (960, 94168), (1185, 76288), (1192, 75840), (1264, 71520), (1280, 70626), (1490, 60672), (1536, 58855), (1580, 57216), (1788, 50560), (1896, 47680), (1920, 47084), (2235, 40448), (2370, 38144), (2384, 37920), (2528, 35760), (2560, 35313), (2980, 30336), (3160, 28608), (3576, 25280), (3792, 23840), (3840, 23542), (4470, 20224), (4740, 19072), (4768, 18960), (5056, 17880), (5960, 15168), (6320, 14304), (7152, 12640), (7584, 11920), (7680, 11771), (8940, 10112), (9480, 9536)]