2780490550880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{3656231}}^1$

素因数の和:3656357

約数の個数: 144

約数和(自身を含む): 7720163117856

約数和(自身を除く): 4939672566976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 97, 98, 112, 140, 160, 194, 196, 224, 245, 280, 388, 392, 485, 490, 560, 679, 776, 784, 970, 980, 1120, 1358, 1552, 1568, 1940, 1960, 2716, 3104, 3395, 3880, 3920, 4753, 5432, 6790, 7760, 7840, 9506, 10864, 13580, 15520, 19012, 21728, 23765, 27160, 38024, 47530, 54320, 76048, 95060, 108640, 152096, 190120, 380240, 760480, 3656231, 7312462, 14624924, 18281155, 25593617, 29249848, 36562310, 51187234, 58499696, 73124620, 102374468, 116999392, 127968085, 146249240, 179155319, 204748936, 255936170, 292498480, 354654407, 358310638, 409497872, 511872340, 584996960, 709308814, 716621276, 818995744, 895776595, 1023744680, 1418617628, 1433242552, 1773272035, 1791553190, 2047489360, 2482580849, 2837235256, 2866485104, 3546544070, 3583106380, 4094978720, 4965161698, 5674470512, 5732970208, 7093088140, 7166212760, 9930323396, 11348941024, 12412904245, 14186176280, 14332425520, 17378065943, 19860646792, 24825808490, 28372352560, 28664851040, 34756131886, 39721293584, 49651616980, 56744705120, 69512263772, 79442587168, 86890329715, 99303233960, 139024527544, 173780659430, 198606467920, 278049055088, 347561318860, 397212935840, 556098110176, 695122637720, 1390245275440, 2780490550880]

約数ペア:

[(1, 2780490550880), (2, 1390245275440), (4, 695122637720), (5, 556098110176), (7, 397212935840), (8, 347561318860), (10, 278049055088), (14, 198606467920), (16, 173780659430), (20, 139024527544), (28, 99303233960), (32, 86890329715), (35, 79442587168), (40, 69512263772), (49, 56744705120), (56, 49651616980), (70, 39721293584), (80, 34756131886), (97, 28664851040), (98, 28372352560), (112, 24825808490), (140, 19860646792), (160, 17378065943), (194, 14332425520), (196, 14186176280), (224, 12412904245), (245, 11348941024), (280, 9930323396), (388, 7166212760), (392, 7093088140), (485, 5732970208), (490, 5674470512), (560, 4965161698), (679, 4094978720), (776, 3583106380), (784, 3546544070), (970, 2866485104), (980, 2837235256), (1120, 2482580849), (1358, 2047489360), (1552, 1791553190), (1568, 1773272035), (1940, 1433242552), (1960, 1418617628), (2716, 1023744680), (3104, 895776595), (3395, 818995744), (3880, 716621276), (3920, 709308814), (4753, 584996960), (5432, 511872340), (6790, 409497872), (7760, 358310638), (7840, 354654407), (9506, 292498480), (10864, 255936170), (13580, 204748936), (15520, 179155319), (19012, 146249240), (21728, 127968085), (23765, 116999392), (27160, 102374468), (38024, 73124620), (47530, 58499696), (54320, 51187234), (76048, 36562310), (95060, 29249848), (108640, 25593617), (152096, 18281155), (190120, 14624924), (380240, 7312462), (760480, 3656231)]