7860789040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1553}}^1$

素因数の和:1767

約数の個数: 160

約数和(自身を含む): 20459690496

約数和(自身を除く): 12598901456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 157, 208, 248, 260, 310, 314, 403, 496, 520, 620, 628, 785, 806, 1040, 1240, 1256, 1553, 1570, 1612, 2015, 2041, 2480, 2512, 3106, 3140, 3224, 4030, 4082, 4867, 6212, 6280, 6448, 7765, 8060, 8164, 9734, 10205, 12424, 12560, 15530, 16120, 16328, 19468, 20189, 20410, 24335, 24848, 31060, 32240, 32656, 38936, 40378, 40820, 48143, 48670, 62120, 63271, 77872, 80756, 81640, 96286, 97340, 100945, 124240, 126542, 161512, 163280, 192572, 194680, 201890, 240715, 243821, 253084, 316355, 323024, 385144, 389360, 403780, 481430, 487642, 506168, 625859, 632710, 770288, 807560, 962860, 975284, 1012336, 1219105, 1251718, 1265420, 1615120, 1925720, 1950568, 2438210, 2503436, 2530840, 3129295, 3169673, 3851440, 3901136, 4876420, 5006872, 5061680, 6258590, 6339346, 7558451, 9752840, 10013744, 12517180, 12678692, 15116902, 15848365, 19505680, 25034360, 25357384, 30233804, 31696730, 37792255, 50068720, 50714768, 60467608, 63393460, 75584510, 98259863, 120935216, 126786920, 151169020, 196519726, 253573840, 302338040, 393039452, 491299315, 604676080, 786078904, 982598630, 1572157808, 1965197260, 3930394520, 7860789040]

約数ペア:

[(1, 7860789040), (2, 3930394520), (4, 1965197260), (5, 1572157808), (8, 982598630), (10, 786078904), (13, 604676080), (16, 491299315), (20, 393039452), (26, 302338040), (31, 253573840), (40, 196519726), (52, 151169020), (62, 126786920), (65, 120935216), (80, 98259863), (104, 75584510), (124, 63393460), (130, 60467608), (155, 50714768), (157, 50068720), (208, 37792255), (248, 31696730), (260, 30233804), (310, 25357384), (314, 25034360), (403, 19505680), (496, 15848365), (520, 15116902), (620, 12678692), (628, 12517180), (785, 10013744), (806, 9752840), (1040, 7558451), (1240, 6339346), (1256, 6258590), (1553, 5061680), (1570, 5006872), (1612, 4876420), (2015, 3901136), (2041, 3851440), (2480, 3169673), (2512, 3129295), (3106, 2530840), (3140, 2503436), (3224, 2438210), (4030, 1950568), (4082, 1925720), (4867, 1615120), (6212, 1265420), (6280, 1251718), (6448, 1219105), (7765, 1012336), (8060, 975284), (8164, 962860), (9734, 807560), (10205, 770288), (12424, 632710), (12560, 625859), (15530, 506168), (16120, 487642), (16328, 481430), (19468, 403780), (20189, 389360), (20410, 385144), (24335, 323024), (24848, 316355), (31060, 253084), (32240, 243821), (32656, 240715), (38936, 201890), (40378, 194680), (40820, 192572), (48143, 163280), (48670, 161512), (62120, 126542), (63271, 124240), (77872, 100945), (80756, 97340), (81640, 96286)]