821752960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 256

約数和(自身を含む): 2379847680

約数和(自身を除く): 1558094720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 61, 62, 64, 70, 80, 97, 112, 122, 124, 128, 140, 155, 160, 194, 217, 224, 244, 248, 280, 305, 310, 320, 388, 427, 434, 448, 485, 488, 496, 560, 610, 620, 640, 679, 776, 854, 868, 896, 970, 976, 992, 1085, 1120, 1220, 1240, 1358, 1552, 1708, 1736, 1891, 1940, 1952, 1984, 2135, 2170, 2240, 2440, 2480, 2716, 3007, 3104, 3395, 3416, 3472, 3782, 3880, 3904, 3968, 4270, 4340, 4480, 4880, 4960, 5432, 5917, 6014, 6208, 6790, 6832, 6944, 7564, 7760, 7808, 8540, 8680, 9455, 9760, 9920, 10864, 11834, 12028, 12416, 13237, 13580, 13664, 13888, 15035, 15128, 15520, 17080, 17360, 18910, 19520, 19840, 21049, 21728, 23668, 24056, 26474, 27160, 27328, 27776, 29585, 30070, 30256, 31040, 34160, 34720, 37820, 39040, 41419, 42098, 43456, 47336, 48112, 52948, 54320, 54656, 59170, 60140, 60512, 62080, 66185, 68320, 69440, 75640, 82838, 84196, 86912, 94672, 96224, 105245, 105896, 108640, 118340, 120280, 121024, 132370, 136640, 138880, 151280, 165676, 168392, 183427, 189344, 192448, 207095, 210490, 211792, 217280, 236680, 240560, 242048, 264740, 273280, 302560, 331352, 336784, 366854, 378688, 384896, 414190, 420980, 423584, 434560, 473360, 481120, 529480, 605120, 662704, 673568, 733708, 757376, 828380, 841960, 847168, 917135, 946720, 962240, 1058960, 1210240, 1283989, 1325408, 1347136, 1467416, 1656760, 1683920, 1694336, 1834270, 1893440, 1924480, 2117920, 2567978, 2650816, 2694272, 2934832, 3313520, 3367840, 3668540, 3786880, 4235840, 5135956, 5301632, 5869664, 6419945, 6627040, 6735680, 7337080, 8471680, 10271912, 11739328, 12839890, 13254080, 13471360, 14674160, 20543824, 23478656, 25679780, 26508160, 29348320, 41087648, 51359560, 58696640, 82175296, 102719120, 117393280, 164350592, 205438240, 410876480, 821752960]

約数ペア:

[(1, 821752960), (2, 410876480), (4, 205438240), (5, 164350592), (7, 117393280), (8, 102719120), (10, 82175296), (14, 58696640), (16, 51359560), (20, 41087648), (28, 29348320), (31, 26508160), (32, 25679780), (35, 23478656), (40, 20543824), (56, 14674160), (61, 13471360), (62, 13254080), (64, 12839890), (70, 11739328), (80, 10271912), (97, 8471680), (112, 7337080), (122, 6735680), (124, 6627040), (128, 6419945), (140, 5869664), (155, 5301632), (160, 5135956), (194, 4235840), (217, 3786880), (224, 3668540), (244, 3367840), (248, 3313520), (280, 2934832), (305, 2694272), (310, 2650816), (320, 2567978), (388, 2117920), (427, 1924480), (434, 1893440), (448, 1834270), (485, 1694336), (488, 1683920), (496, 1656760), (560, 1467416), (610, 1347136), (620, 1325408), (640, 1283989), (679, 1210240), (776, 1058960), (854, 962240), (868, 946720), (896, 917135), (970, 847168), (976, 841960), (992, 828380), (1085, 757376), (1120, 733708), (1220, 673568), (1240, 662704), (1358, 605120), (1552, 529480), (1708, 481120), (1736, 473360), (1891, 434560), (1940, 423584), (1952, 420980), (1984, 414190), (2135, 384896), (2170, 378688), (2240, 366854), (2440, 336784), (2480, 331352), (2716, 302560), (3007, 273280), (3104, 264740), (3395, 242048), (3416, 240560), (3472, 236680), (3782, 217280), (3880, 211792), (3904, 210490), (3968, 207095), (4270, 192448), (4340, 189344), (4480, 183427), (4880, 168392), (4960, 165676), (5432, 151280), (5917, 138880), (6014, 136640), (6208, 132370), (6790, 121024), (6832, 120280), (6944, 118340), (7564, 108640), (7760, 105896), (7808, 105245), (8540, 96224), (8680, 94672), (9455, 86912), (9760, 84196), (9920, 82838), (10864, 75640), (11834, 69440), (12028, 68320), (12416, 66185), (13237, 62080), (13580, 60512), (13664, 60140), (13888, 59170), (15035, 54656), (15128, 54320), (15520, 52948), (17080, 48112), (17360, 47336), (18910, 43456), (19520, 42098), (19840, 41419), (21049, 39040), (21728, 37820), (23668, 34720), (24056, 34160), (26474, 31040), (27160, 30256), (27328, 30070), (27776, 29585)]