64640800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:148

約数の個数: 216

約数和(自身を含む): 196370244

約数和(自身を除く): 131729444

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 49, 50, 56, 68, 70, 80, 85, 97, 98, 100, 112, 119, 136, 140, 160, 170, 175, 194, 196, 200, 224, 238, 245, 272, 280, 340, 350, 388, 392, 400, 425, 476, 485, 490, 544, 560, 595, 679, 680, 700, 776, 784, 800, 833, 850, 952, 970, 980, 1120, 1190, 1225, 1358, 1360, 1400, 1552, 1568, 1649, 1666, 1700, 1904, 1940, 1960, 2380, 2425, 2450, 2716, 2720, 2800, 2975, 3104, 3298, 3332, 3395, 3400, 3808, 3880, 3920, 4165, 4753, 4760, 4850, 4900, 5432, 5600, 5950, 6596, 6664, 6790, 6800, 7760, 7840, 8245, 8330, 9506, 9520, 9700, 9800, 10864, 11543, 11900, 13192, 13328, 13580, 13600, 15520, 16490, 16660, 16975, 19012, 19040, 19400, 19600, 20825, 21728, 23086, 23765, 23800, 26384, 26656, 27160, 32980, 33320, 33950, 38024, 38800, 39200, 41225, 41650, 46172, 47530, 47600, 52768, 54320, 57715, 65960, 66640, 67900, 76048, 77600, 80801, 82450, 83300, 92344, 95060, 95200, 108640, 115430, 118825, 131920, 133280, 135800, 152096, 161602, 164900, 166600, 184688, 190120, 230860, 237650, 263840, 271600, 288575, 323204, 329800, 333200, 369376, 380240, 404005, 461720, 475300, 543200, 577150, 646408, 659600, 666400, 760480, 808010, 923440, 950600, 1154300, 1292816, 1319200, 1616020, 1846880, 1901200, 2020025, 2308600, 2585632, 3232040, 3802400, 4040050, 4617200, 6464080, 8080100, 9234400, 12928160, 16160200, 32320400, 64640800]

約数ペア:

[(1, 64640800), (2, 32320400), (4, 16160200), (5, 12928160), (7, 9234400), (8, 8080100), (10, 6464080), (14, 4617200), (16, 4040050), (17, 3802400), (20, 3232040), (25, 2585632), (28, 2308600), (32, 2020025), (34, 1901200), (35, 1846880), (40, 1616020), (49, 1319200), (50, 1292816), (56, 1154300), (68, 950600), (70, 923440), (80, 808010), (85, 760480), (97, 666400), (98, 659600), (100, 646408), (112, 577150), (119, 543200), (136, 475300), (140, 461720), (160, 404005), (170, 380240), (175, 369376), (194, 333200), (196, 329800), (200, 323204), (224, 288575), (238, 271600), (245, 263840), (272, 237650), (280, 230860), (340, 190120), (350, 184688), (388, 166600), (392, 164900), (400, 161602), (425, 152096), (476, 135800), (485, 133280), (490, 131920), (544, 118825), (560, 115430), (595, 108640), (679, 95200), (680, 95060), (700, 92344), (776, 83300), (784, 82450), (800, 80801), (833, 77600), (850, 76048), (952, 67900), (970, 66640), (980, 65960), (1120, 57715), (1190, 54320), (1225, 52768), (1358, 47600), (1360, 47530), (1400, 46172), (1552, 41650), (1568, 41225), (1649, 39200), (1666, 38800), (1700, 38024), (1904, 33950), (1940, 33320), (1960, 32980), (2380, 27160), (2425, 26656), (2450, 26384), (2716, 23800), (2720, 23765), (2800, 23086), (2975, 21728), (3104, 20825), (3298, 19600), (3332, 19400), (3395, 19040), (3400, 19012), (3808, 16975), (3880, 16660), (3920, 16490), (4165, 15520), (4753, 13600), (4760, 13580), (4850, 13328), (4900, 13192), (5432, 11900), (5600, 11543), (5950, 10864), (6596, 9800), (6664, 9700), (6790, 9520), (6800, 9506), (7760, 8330), (7840, 8245)]