642514944

素因数分解:

$2^{18}\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 152

約数和(自身を含む): 1845490240

約数和(自身を除く): 1202975296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 43, 48, 57, 64, 76, 86, 96, 114, 128, 129, 152, 172, 192, 228, 256, 258, 304, 344, 384, 456, 512, 516, 608, 688, 768, 817, 912, 1024, 1032, 1216, 1376, 1536, 1634, 1824, 2048, 2064, 2432, 2451, 2752, 3072, 3268, 3648, 4096, 4128, 4864, 4902, 5504, 6144, 6536, 7296, 8192, 8256, 9728, 9804, 11008, 12288, 13072, 14592, 16384, 16512, 19456, 19608, 22016, 24576, 26144, 29184, 32768, 33024, 38912, 39216, 44032, 49152, 52288, 58368, 65536, 66048, 77824, 78432, 88064, 98304, 104576, 116736, 131072, 132096, 155648, 156864, 176128, 196608, 209152, 233472, 262144, 264192, 311296, 313728, 352256, 393216, 418304, 466944, 528384, 622592, 627456, 704512, 786432, 836608, 933888, 1056768, 1245184, 1254912, 1409024, 1673216, 1867776, 2113536, 2490368, 2509824, 2818048, 3346432, 3735552, 4227072, 4980736, 5019648, 5636096, 6692864, 7471104, 8454144, 10039296, 11272192, 13385728, 14942208, 16908288, 20078592, 26771456, 33816576, 40157184, 53542912, 80314368, 107085824, 160628736, 214171648, 321257472, 642514944]

約数ペア:

[(1, 642514944), (2, 321257472), (3, 214171648), (4, 160628736), (6, 107085824), (8, 80314368), (12, 53542912), (16, 40157184), (19, 33816576), (24, 26771456), (32, 20078592), (38, 16908288), (43, 14942208), (48, 13385728), (57, 11272192), (64, 10039296), (76, 8454144), (86, 7471104), (96, 6692864), (114, 5636096), (128, 5019648), (129, 4980736), (152, 4227072), (172, 3735552), (192, 3346432), (228, 2818048), (256, 2509824), (258, 2490368), (304, 2113536), (344, 1867776), (384, 1673216), (456, 1409024), (512, 1254912), (516, 1245184), (608, 1056768), (688, 933888), (768, 836608), (817, 786432), (912, 704512), (1024, 627456), (1032, 622592), (1216, 528384), (1376, 466944), (1536, 418304), (1634, 393216), (1824, 352256), (2048, 313728), (2064, 311296), (2432, 264192), (2451, 262144), (2752, 233472), (3072, 209152), (3268, 196608), (3648, 176128), (4096, 156864), (4128, 155648), (4864, 132096), (4902, 131072), (5504, 116736), (6144, 104576), (6536, 98304), (7296, 88064), (8192, 78432), (8256, 77824), (9728, 66048), (9804, 65536), (11008, 58368), (12288, 52288), (13072, 49152), (14592, 44032), (16384, 39216), (16512, 38912), (19456, 33024), (19608, 32768), (22016, 29184), (24576, 26144)]