778731520

素因数分解:

$2^{15}\times 5^1\times 7^2\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 192

約数和(自身を含む): 2196471060

約数和(自身を除く): 1417739540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 97, 98, 112, 128, 140, 160, 194, 196, 224, 245, 256, 280, 320, 388, 392, 448, 485, 490, 512, 560, 640, 679, 776, 784, 896, 970, 980, 1024, 1120, 1280, 1358, 1552, 1568, 1792, 1940, 1960, 2048, 2240, 2560, 2716, 3104, 3136, 3395, 3584, 3880, 3920, 4096, 4480, 4753, 5120, 5432, 6208, 6272, 6790, 7168, 7760, 7840, 8192, 8960, 9506, 10240, 10864, 12416, 12544, 13580, 14336, 15520, 15680, 16384, 17920, 19012, 20480, 21728, 23765, 24832, 25088, 27160, 28672, 31040, 31360, 32768, 35840, 38024, 40960, 43456, 47530, 49664, 50176, 54320, 57344, 62080, 62720, 71680, 76048, 81920, 86912, 95060, 99328, 100352, 108640, 114688, 124160, 125440, 143360, 152096, 163840, 173824, 190120, 198656, 200704, 217280, 229376, 248320, 250880, 286720, 304192, 347648, 380240, 397312, 401408, 434560, 496640, 501760, 573440, 608384, 695296, 760480, 794624, 802816, 869120, 993280, 1003520, 1146880, 1216768, 1390592, 1520960, 1589248, 1605632, 1738240, 1986560, 2007040, 2433536, 2781184, 3041920, 3178496, 3476480, 3973120, 4014080, 4867072, 5562368, 6083840, 6952960, 7946240, 8028160, 9734144, 11124736, 12167680, 13905920, 15892480, 19468288, 22249472, 24335360, 27811840, 38936576, 48670720, 55623680, 77873152, 97341440, 111247360, 155746304, 194682880, 389365760, 778731520]

約数ペア:

[(1, 778731520), (2, 389365760), (4, 194682880), (5, 155746304), (7, 111247360), (8, 97341440), (10, 77873152), (14, 55623680), (16, 48670720), (20, 38936576), (28, 27811840), (32, 24335360), (35, 22249472), (40, 19468288), (49, 15892480), (56, 13905920), (64, 12167680), (70, 11124736), (80, 9734144), (97, 8028160), (98, 7946240), (112, 6952960), (128, 6083840), (140, 5562368), (160, 4867072), (194, 4014080), (196, 3973120), (224, 3476480), (245, 3178496), (256, 3041920), (280, 2781184), (320, 2433536), (388, 2007040), (392, 1986560), (448, 1738240), (485, 1605632), (490, 1589248), (512, 1520960), (560, 1390592), (640, 1216768), (679, 1146880), (776, 1003520), (784, 993280), (896, 869120), (970, 802816), (980, 794624), (1024, 760480), (1120, 695296), (1280, 608384), (1358, 573440), (1552, 501760), (1568, 496640), (1792, 434560), (1940, 401408), (1960, 397312), (2048, 380240), (2240, 347648), (2560, 304192), (2716, 286720), (3104, 250880), (3136, 248320), (3395, 229376), (3584, 217280), (3880, 200704), (3920, 198656), (4096, 190120), (4480, 173824), (4753, 163840), (5120, 152096), (5432, 143360), (6208, 125440), (6272, 124160), (6790, 114688), (7168, 108640), (7760, 100352), (7840, 99328), (8192, 95060), (8960, 86912), (9506, 81920), (10240, 76048), (10864, 71680), (12416, 62720), (12544, 62080), (13580, 57344), (14336, 54320), (15520, 50176), (15680, 49664), (16384, 47530), (17920, 43456), (19012, 40960), (20480, 38024), (21728, 35840), (23765, 32768), (24832, 31360), (25088, 31040), (27160, 28672)]