64415680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:366

約数の個数: 112

約数和(自身を含む): 177393600

約数和(自身を除く): 112977920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 149, 160, 193, 224, 280, 298, 320, 386, 448, 560, 596, 745, 772, 965, 1043, 1120, 1192, 1351, 1490, 1544, 1930, 2086, 2240, 2384, 2702, 2980, 3088, 3860, 4172, 4768, 5215, 5404, 5960, 6176, 6755, 7720, 8344, 9536, 10430, 10808, 11920, 12352, 13510, 15440, 16688, 20860, 21616, 23840, 27020, 28757, 30880, 33376, 41720, 43232, 47680, 54040, 57514, 61760, 66752, 83440, 86464, 108080, 115028, 143785, 166880, 201299, 216160, 230056, 287570, 333760, 402598, 432320, 460112, 575140, 805196, 920224, 1006495, 1150280, 1610392, 1840448, 2012990, 2300560, 3220784, 4025980, 4601120, 6441568, 8051960, 9202240, 12883136, 16103920, 32207840, 64415680]

約数ペア:

[(1, 64415680), (2, 32207840), (4, 16103920), (5, 12883136), (7, 9202240), (8, 8051960), (10, 6441568), (14, 4601120), (16, 4025980), (20, 3220784), (28, 2300560), (32, 2012990), (35, 1840448), (40, 1610392), (56, 1150280), (64, 1006495), (70, 920224), (80, 805196), (112, 575140), (140, 460112), (149, 432320), (160, 402598), (193, 333760), (224, 287570), (280, 230056), (298, 216160), (320, 201299), (386, 166880), (448, 143785), (560, 115028), (596, 108080), (745, 86464), (772, 83440), (965, 66752), (1043, 61760), (1120, 57514), (1192, 54040), (1351, 47680), (1490, 43232), (1544, 41720), (1930, 33376), (2086, 30880), (2240, 28757), (2384, 27020), (2702, 23840), (2980, 21616), (3088, 20860), (3860, 16688), (4172, 15440), (4768, 13510), (5215, 12352), (5404, 11920), (5960, 10808), (6176, 10430), (6755, 9536), (7720, 8344)]