64426880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 179340480

約数和(自身を除く): 114913600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 197, 224, 280, 292, 320, 365, 394, 448, 511, 560, 584, 640, 730, 788, 896, 985, 1022, 1120, 1168, 1379, 1460, 1576, 1970, 2044, 2240, 2336, 2555, 2758, 2920, 3152, 3940, 4088, 4480, 4672, 5110, 5516, 5840, 6304, 6895, 7880, 8176, 9344, 10220, 11032, 11680, 12608, 13790, 14381, 15760, 16352, 20440, 22064, 23360, 25216, 27580, 28762, 31520, 32704, 40880, 44128, 46720, 55160, 57524, 63040, 65408, 71905, 81760, 88256, 100667, 110320, 115048, 126080, 143810, 163520, 176512, 201334, 220640, 230096, 287620, 327040, 402668, 441280, 460192, 503335, 575240, 805336, 882560, 920384, 1006670, 1150480, 1610672, 1840768, 2013340, 2300960, 3221344, 4026680, 4601920, 6442688, 8053360, 9203840, 12885376, 16106720, 32213440, 64426880]

約数ペア:

[(1, 64426880), (2, 32213440), (4, 16106720), (5, 12885376), (7, 9203840), (8, 8053360), (10, 6442688), (14, 4601920), (16, 4026680), (20, 3221344), (28, 2300960), (32, 2013340), (35, 1840768), (40, 1610672), (56, 1150480), (64, 1006670), (70, 920384), (73, 882560), (80, 805336), (112, 575240), (128, 503335), (140, 460192), (146, 441280), (160, 402668), (197, 327040), (224, 287620), (280, 230096), (292, 220640), (320, 201334), (365, 176512), (394, 163520), (448, 143810), (511, 126080), (560, 115048), (584, 110320), (640, 100667), (730, 88256), (788, 81760), (896, 71905), (985, 65408), (1022, 63040), (1120, 57524), (1168, 55160), (1379, 46720), (1460, 44128), (1576, 40880), (1970, 32704), (2044, 31520), (2240, 28762), (2336, 27580), (2555, 25216), (2758, 23360), (2920, 22064), (3152, 20440), (3940, 16352), (4088, 15760), (4480, 14381), (4672, 13790), (5110, 12608), (5516, 11680), (5840, 11032), (6304, 10220), (6895, 9344), (7880, 8176)]