1557289008

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:384

約数の個数: 240

約数和(自身を含む): 4922042112

約数和(自身を除く): 3364753104

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 61, 66, 71, 72, 88, 99, 122, 132, 142, 144, 176, 183, 198, 213, 227, 244, 264, 284, 366, 396, 426, 454, 488, 528, 549, 568, 639, 671, 681, 732, 781, 792, 852, 908, 976, 1098, 1136, 1278, 1342, 1362, 1464, 1562, 1584, 1704, 1816, 2013, 2043, 2196, 2343, 2497, 2556, 2684, 2724, 2928, 3124, 3408, 3632, 4026, 4086, 4331, 4392, 4686, 4994, 5112, 5368, 5448, 6039, 6248, 7029, 7491, 8052, 8172, 8662, 8784, 9372, 9988, 10224, 10736, 10896, 12078, 12496, 12993, 13847, 14058, 14982, 16104, 16117, 16344, 17324, 18744, 19976, 22473, 24156, 25986, 27694, 28116, 29964, 32208, 32234, 32688, 34648, 37488, 38979, 39952, 41541, 44946, 47641, 48312, 48351, 51972, 55388, 56232, 59928, 64468, 69296, 77958, 83082, 89892, 95282, 96624, 96702, 103944, 110776, 112464, 119856, 124623, 128936, 142923, 145053, 152317, 155916, 166164, 177287, 179784, 190564, 193404, 207888, 221552, 249246, 257872, 285846, 290106, 304634, 311832, 332328, 354574, 359568, 381128, 386808, 428769, 456951, 498492, 531861, 571692, 580212, 609268, 623664, 664656, 709148, 762256, 773616, 857538, 913902, 983137, 996984, 1063722, 1143384, 1160424, 1218536, 1370853, 1418296, 1595583, 1715076, 1827804, 1966274, 1993968, 2127444, 2286768, 2320848, 2437072, 2741706, 2836592, 2949411, 3191166, 3430152, 3655608, 3932548, 4254888, 5483412, 5898822, 6382332, 6860304, 7311216, 7865096, 8509776, 8848233, 10814507, 10966824, 11797644, 12764664, 15730192, 17696466, 21629014, 21933648, 23595288, 25529328, 32443521, 35392932, 43258028, 47190576, 64887042, 70785864, 86516056, 97330563, 129774084, 141571728, 173032112, 194661126, 259548168, 389322252, 519096336, 778644504, 1557289008]

約数ペア:

[(1, 1557289008), (2, 778644504), (3, 519096336), (4, 389322252), (6, 259548168), (8, 194661126), (9, 173032112), (11, 141571728), (12, 129774084), (16, 97330563), (18, 86516056), (22, 70785864), (24, 64887042), (33, 47190576), (36, 43258028), (44, 35392932), (48, 32443521), (61, 25529328), (66, 23595288), (71, 21933648), (72, 21629014), (88, 17696466), (99, 15730192), (122, 12764664), (132, 11797644), (142, 10966824), (144, 10814507), (176, 8848233), (183, 8509776), (198, 7865096), (213, 7311216), (227, 6860304), (244, 6382332), (264, 5898822), (284, 5483412), (366, 4254888), (396, 3932548), (426, 3655608), (454, 3430152), (488, 3191166), (528, 2949411), (549, 2836592), (568, 2741706), (639, 2437072), (671, 2320848), (681, 2286768), (732, 2127444), (781, 1993968), (792, 1966274), (852, 1827804), (908, 1715076), (976, 1595583), (1098, 1418296), (1136, 1370853), (1278, 1218536), (1342, 1160424), (1362, 1143384), (1464, 1063722), (1562, 996984), (1584, 983137), (1704, 913902), (1816, 857538), (2013, 773616), (2043, 762256), (2196, 709148), (2343, 664656), (2497, 623664), (2556, 609268), (2684, 580212), (2724, 571692), (2928, 531861), (3124, 498492), (3408, 456951), (3632, 428769), (4026, 386808), (4086, 381128), (4331, 359568), (4392, 354574), (4686, 332328), (4994, 311832), (5112, 304634), (5368, 290106), (5448, 285846), (6039, 257872), (6248, 249246), (7029, 221552), (7491, 207888), (8052, 193404), (8172, 190564), (8662, 179784), (8784, 177287), (9372, 166164), (9988, 155916), (10224, 152317), (10736, 145053), (10896, 142923), (12078, 128936), (12496, 124623), (12993, 119856), (13847, 112464), (14058, 110776), (14982, 103944), (16104, 96702), (16117, 96624), (16344, 95282), (17324, 89892), (18744, 83082), (19976, 77958), (22473, 69296), (24156, 64468), (25986, 59928), (27694, 56232), (28116, 55388), (29964, 51972), (32208, 48351), (32234, 48312), (32688, 47641), (34648, 44946), (37488, 41541), (38979, 39952)]