66918320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:467

約数の個数: 120

約数和(自身を含む): 185662224

約数和(自身を除く): 118743904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 172, 196, 215, 245, 280, 301, 344, 392, 397, 430, 490, 560, 602, 688, 784, 794, 860, 980, 1204, 1505, 1588, 1720, 1960, 1985, 2107, 2408, 2779, 3010, 3176, 3440, 3920, 3970, 4214, 4816, 5558, 6020, 6352, 7940, 8428, 10535, 11116, 12040, 13895, 15880, 16856, 17071, 19453, 21070, 22232, 24080, 27790, 31760, 33712, 34142, 38906, 42140, 44464, 55580, 68284, 77812, 84280, 85355, 97265, 111160, 119497, 136568, 155624, 168560, 170710, 194530, 222320, 238994, 273136, 311248, 341420, 389060, 477988, 597485, 682840, 778120, 836479, 955976, 1194970, 1365680, 1556240, 1672958, 1911952, 2389940, 3345916, 4182395, 4779880, 6691832, 8364790, 9559760, 13383664, 16729580, 33459160, 66918320]

約数ペア:

[(1, 66918320), (2, 33459160), (4, 16729580), (5, 13383664), (7, 9559760), (8, 8364790), (10, 6691832), (14, 4779880), (16, 4182395), (20, 3345916), (28, 2389940), (35, 1911952), (40, 1672958), (43, 1556240), (49, 1365680), (56, 1194970), (70, 955976), (80, 836479), (86, 778120), (98, 682840), (112, 597485), (140, 477988), (172, 389060), (196, 341420), (215, 311248), (245, 273136), (280, 238994), (301, 222320), (344, 194530), (392, 170710), (397, 168560), (430, 155624), (490, 136568), (560, 119497), (602, 111160), (688, 97265), (784, 85355), (794, 84280), (860, 77812), (980, 68284), (1204, 55580), (1505, 44464), (1588, 42140), (1720, 38906), (1960, 34142), (1985, 33712), (2107, 31760), (2408, 27790), (2779, 24080), (3010, 22232), (3176, 21070), (3440, 19453), (3920, 17071), (3970, 16856), (4214, 15880), (4816, 13895), (5558, 12040), (6020, 11116), (6352, 10535), (7940, 8428)]