138321920

素因数分解:

$2^{13}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:349

約数の個数: 112

約数和(自身を含む): 363309408

約数和(自身を除く): 224987488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 307, 320, 352, 440, 512, 614, 640, 704, 880, 1024, 1228, 1280, 1408, 1535, 1760, 2048, 2456, 2560, 2816, 3070, 3377, 3520, 4096, 4912, 5120, 5632, 6140, 6754, 7040, 8192, 9824, 10240, 11264, 12280, 13508, 14080, 16885, 19648, 20480, 22528, 24560, 27016, 28160, 33770, 39296, 40960, 45056, 49120, 54032, 56320, 67540, 78592, 90112, 98240, 108064, 112640, 135080, 157184, 196480, 216128, 225280, 270160, 314368, 392960, 432256, 450560, 540320, 628736, 785920, 864512, 1080640, 1257472, 1571840, 1729024, 2161280, 2514944, 3143680, 3458048, 4322560, 6287360, 6916096, 8645120, 12574720, 13832192, 17290240, 27664384, 34580480, 69160960, 138321920]

約数ペア:

[(1, 138321920), (2, 69160960), (4, 34580480), (5, 27664384), (8, 17290240), (10, 13832192), (11, 12574720), (16, 8645120), (20, 6916096), (22, 6287360), (32, 4322560), (40, 3458048), (44, 3143680), (55, 2514944), (64, 2161280), (80, 1729024), (88, 1571840), (110, 1257472), (128, 1080640), (160, 864512), (176, 785920), (220, 628736), (256, 540320), (307, 450560), (320, 432256), (352, 392960), (440, 314368), (512, 270160), (614, 225280), (640, 216128), (704, 196480), (880, 157184), (1024, 135080), (1228, 112640), (1280, 108064), (1408, 98240), (1535, 90112), (1760, 78592), (2048, 67540), (2456, 56320), (2560, 54032), (2816, 49120), (3070, 45056), (3377, 40960), (3520, 39296), (4096, 33770), (4912, 28160), (5120, 27016), (5632, 24560), (6140, 22528), (6754, 20480), (7040, 19648), (8192, 16885), (9824, 14080), (10240, 13508), (11264, 12280)]