77854400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 168

約数和(自身を含む): 218267280

約数和(自身を除く): 140412880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 64, 65, 76, 80, 95, 100, 104, 130, 152, 160, 190, 197, 200, 208, 247, 260, 304, 320, 325, 380, 394, 400, 416, 475, 494, 520, 608, 650, 760, 788, 800, 832, 950, 985, 988, 1040, 1216, 1235, 1300, 1520, 1576, 1600, 1900, 1970, 1976, 2080, 2470, 2561, 2600, 3040, 3152, 3743, 3800, 3940, 3952, 4160, 4925, 4940, 5122, 5200, 6080, 6175, 6304, 7486, 7600, 7880, 7904, 9850, 9880, 10244, 10400, 12350, 12608, 12805, 14972, 15200, 15760, 15808, 18715, 19700, 19760, 20488, 20800, 24700, 25610, 29944, 30400, 31520, 37430, 39400, 39520, 40976, 48659, 49400, 51220, 59888, 63040, 64025, 74860, 78800, 79040, 81952, 93575, 97318, 98800, 102440, 119776, 128050, 149720, 157600, 163904, 187150, 194636, 197600, 204880, 239552, 243295, 256100, 299440, 315200, 374300, 389272, 395200, 409760, 486590, 512200, 598880, 748600, 778544, 819520, 973180, 1024400, 1197760, 1216475, 1497200, 1557088, 1946360, 2048800, 2432950, 2994400, 3114176, 3892720, 4097600, 4865900, 5988800, 7785440, 9731800, 15570880, 19463600, 38927200, 77854400]

約数ペア:

[(1, 77854400), (2, 38927200), (4, 19463600), (5, 15570880), (8, 9731800), (10, 7785440), (13, 5988800), (16, 4865900), (19, 4097600), (20, 3892720), (25, 3114176), (26, 2994400), (32, 2432950), (38, 2048800), (40, 1946360), (50, 1557088), (52, 1497200), (64, 1216475), (65, 1197760), (76, 1024400), (80, 973180), (95, 819520), (100, 778544), (104, 748600), (130, 598880), (152, 512200), (160, 486590), (190, 409760), (197, 395200), (200, 389272), (208, 374300), (247, 315200), (260, 299440), (304, 256100), (320, 243295), (325, 239552), (380, 204880), (394, 197600), (400, 194636), (416, 187150), (475, 163904), (494, 157600), (520, 149720), (608, 128050), (650, 119776), (760, 102440), (788, 98800), (800, 97318), (832, 93575), (950, 81952), (985, 79040), (988, 78800), (1040, 74860), (1216, 64025), (1235, 63040), (1300, 59888), (1520, 51220), (1576, 49400), (1600, 48659), (1900, 40976), (1970, 39520), (1976, 39400), (2080, 37430), (2470, 31520), (2561, 30400), (2600, 29944), (3040, 25610), (3152, 24700), (3743, 20800), (3800, 20488), (3940, 19760), (3952, 19700), (4160, 18715), (4925, 15808), (4940, 15760), (5122, 15200), (5200, 14972), (6080, 12805), (6175, 12608), (6304, 12350), (7486, 10400), (7600, 10244), (7880, 9880), (7904, 9850)]