81661420776

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:648

約数の個数: 256

約数和(自身を含む): 228465377280

約数和(自身を除く): 146803956504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 71, 78, 104, 122, 142, 156, 183, 213, 223, 244, 271, 284, 312, 366, 426, 446, 488, 542, 568, 669, 732, 793, 813, 852, 892, 923, 1084, 1338, 1464, 1586, 1626, 1704, 1784, 1846, 2168, 2379, 2676, 2769, 2899, 3172, 3252, 3523, 3692, 4331, 4758, 5352, 5538, 5798, 6344, 6504, 7046, 7384, 8662, 8697, 9516, 10569, 11076, 11596, 12993, 13603, 14092, 15833, 16531, 17324, 17394, 19032, 19241, 21138, 22152, 23192, 25986, 27206, 28184, 31666, 33062, 34648, 34788, 38482, 40809, 42276, 47499, 49593, 51972, 54412, 56303, 57723, 60433, 63332, 66124, 69576, 76964, 81618, 84552, 94998, 99186, 103944, 108824, 112606, 115446, 120866, 126664, 132248, 153928, 163236, 168909, 176839, 181299, 189996, 198372, 205829, 214903, 225212, 230892, 241732, 250133, 326472, 337818, 353678, 362598, 379992, 396744, 411658, 429806, 450424, 461784, 483464, 500266, 530517, 617487, 644709, 675636, 707356, 725196, 750399, 785629, 823316, 859612, 965813, 1000532, 1061034, 1173701, 1234974, 1289418, 1351272, 1414712, 1450392, 1500798, 1571258, 1646632, 1719224, 1931626, 2001064, 2122068, 2347402, 2356887, 2469948, 2578836, 2897439, 3001596, 3142516, 3521103, 3686413, 3863252, 4244136, 4290743, 4694804, 4713774, 4939896, 5157672, 5794878, 6003192, 6285032, 7042206, 7372826, 7726504, 8581486, 9389608, 9427548, 11059239, 11589756, 12555569, 12872229, 14084412, 14745652, 15258113, 17162972, 18855096, 22118478, 23179512, 25111138, 25744458, 28168824, 29491304, 30516226, 34325944, 37666707, 44236956, 45774339, 47923369, 50222276, 51488916, 55779659, 61032452, 75333414, 88473912, 91548678, 95846738, 100444552, 102977832, 111559318, 122064904, 143770107, 150666828, 167338977, 183097356, 191693476, 223118636, 261735323, 287540214, 301333656, 334677954, 366194712, 383386952, 446237272, 523470646, 575080428, 669355908, 785205969, 1046941292, 1150160856, 1338711816, 1570411938, 2093882584, 3140823876, 3402559199, 6281647752, 6805118398, 10207677597, 13610236796, 20415355194, 27220473592, 40830710388, 81661420776]

約数ペア:

[(1, 81661420776), (2, 40830710388), (3, 27220473592), (4, 20415355194), (6, 13610236796), (8, 10207677597), (12, 6805118398), (13, 6281647752), (24, 3402559199), (26, 3140823876), (39, 2093882584), (52, 1570411938), (61, 1338711816), (71, 1150160856), (78, 1046941292), (104, 785205969), (122, 669355908), (142, 575080428), (156, 523470646), (183, 446237272), (213, 383386952), (223, 366194712), (244, 334677954), (271, 301333656), (284, 287540214), (312, 261735323), (366, 223118636), (426, 191693476), (446, 183097356), (488, 167338977), (542, 150666828), (568, 143770107), (669, 122064904), (732, 111559318), (793, 102977832), (813, 100444552), (852, 95846738), (892, 91548678), (923, 88473912), (1084, 75333414), (1338, 61032452), (1464, 55779659), (1586, 51488916), (1626, 50222276), (1704, 47923369), (1784, 45774339), (1846, 44236956), (2168, 37666707), (2379, 34325944), (2676, 30516226), (2769, 29491304), (2899, 28168824), (3172, 25744458), (3252, 25111138), (3523, 23179512), (3692, 22118478), (4331, 18855096), (4758, 17162972), (5352, 15258113), (5538, 14745652), (5798, 14084412), (6344, 12872229), (6504, 12555569), (7046, 11589756), (7384, 11059239), (8662, 9427548), (8697, 9389608), (9516, 8581486), (10569, 7726504), (11076, 7372826), (11596, 7042206), (12993, 6285032), (13603, 6003192), (14092, 5794878), (15833, 5157672), (16531, 4939896), (17324, 4713774), (17394, 4694804), (19032, 4290743), (19241, 4244136), (21138, 3863252), (22152, 3686413), (23192, 3521103), (25986, 3142516), (27206, 3001596), (28184, 2897439), (31666, 2578836), (33062, 2469948), (34648, 2356887), (34788, 2347402), (38482, 2122068), (40809, 2001064), (42276, 1931626), (47499, 1719224), (49593, 1646632), (51972, 1571258), (54412, 1500798), (56303, 1450392), (57723, 1414712), (60433, 1351272), (63332, 1289418), (66124, 1234974), (69576, 1173701), (76964, 1061034), (81618, 1000532), (84552, 965813), (94998, 859612), (99186, 823316), (103944, 785629), (108824, 750399), (112606, 725196), (115446, 707356), (120866, 675636), (126664, 644709), (132248, 617487), (153928, 530517), (163236, 500266), (168909, 483464), (176839, 461784), (181299, 450424), (189996, 429806), (198372, 411658), (205829, 396744), (214903, 379992), (225212, 362598), (230892, 353678), (241732, 337818), (250133, 326472)]