311235040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:656

約数の個数: 96

約数和(自身を含む): 766402560

約数和(自身を除く): 455167520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 131, 155, 160, 248, 262, 310, 479, 496, 524, 620, 655, 958, 992, 1048, 1240, 1310, 1916, 2096, 2395, 2480, 2620, 3832, 4061, 4192, 4790, 4960, 5240, 7664, 8122, 9580, 10480, 14849, 15328, 16244, 19160, 20305, 20960, 29698, 32488, 38320, 40610, 59396, 62749, 64976, 74245, 76640, 81220, 118792, 125498, 129952, 148490, 162440, 237584, 250996, 296980, 313745, 324880, 475168, 501992, 593960, 627490, 649760, 1003984, 1187920, 1254980, 1945219, 2007968, 2375840, 2509960, 3890438, 5019920, 7780876, 9726095, 10039840, 15561752, 19452190, 31123504, 38904380, 62247008, 77808760, 155617520, 311235040]

約数ペア:

[(1, 311235040), (2, 155617520), (4, 77808760), (5, 62247008), (8, 38904380), (10, 31123504), (16, 19452190), (20, 15561752), (31, 10039840), (32, 9726095), (40, 7780876), (62, 5019920), (80, 3890438), (124, 2509960), (131, 2375840), (155, 2007968), (160, 1945219), (248, 1254980), (262, 1187920), (310, 1003984), (479, 649760), (496, 627490), (524, 593960), (620, 501992), (655, 475168), (958, 324880), (992, 313745), (1048, 296980), (1240, 250996), (1310, 237584), (1916, 162440), (2096, 148490), (2395, 129952), (2480, 125498), (2620, 118792), (3832, 81220), (4061, 76640), (4192, 74245), (4790, 64976), (4960, 62749), (5240, 59396), (7664, 40610), (8122, 38320), (9580, 32488), (10480, 29698), (14849, 20960), (15328, 20305), (16244, 19160)]