181356660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 568713600

約数和(自身を除く): 387356940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 83, 90, 122, 166, 180, 183, 199, 244, 249, 305, 332, 366, 398, 415, 498, 549, 597, 610, 732, 747, 796, 830, 915, 995, 996, 1098, 1194, 1220, 1245, 1494, 1660, 1791, 1830, 1990, 2196, 2388, 2490, 2745, 2985, 2988, 3582, 3660, 3735, 3980, 4980, 5063, 5490, 5970, 7164, 7470, 8955, 10126, 10980, 11940, 12139, 14940, 15189, 16517, 17910, 20252, 24278, 25315, 30378, 33034, 35820, 36417, 45567, 48556, 49551, 50630, 60695, 60756, 66068, 72834, 75945, 82585, 91134, 99102, 101260, 109251, 121390, 145668, 148653, 151890, 165170, 182085, 182268, 198204, 218502, 227835, 242780, 247755, 297306, 303780, 330340, 364170, 437004, 455670, 495510, 546255, 594612, 728340, 743265, 911340, 991020, 1007537, 1092510, 1486530, 2015074, 2185020, 2973060, 3022611, 4030148, 5037685, 6045222, 9067833, 10075370, 12090444, 15113055, 18135666, 20150740, 30226110, 36271332, 45339165, 60452220, 90678330, 181356660]

約数ペア:

[(1, 181356660), (2, 90678330), (3, 60452220), (4, 45339165), (5, 36271332), (6, 30226110), (9, 20150740), (10, 18135666), (12, 15113055), (15, 12090444), (18, 10075370), (20, 9067833), (30, 6045222), (36, 5037685), (45, 4030148), (60, 3022611), (61, 2973060), (83, 2185020), (90, 2015074), (122, 1486530), (166, 1092510), (180, 1007537), (183, 991020), (199, 911340), (244, 743265), (249, 728340), (305, 594612), (332, 546255), (366, 495510), (398, 455670), (415, 437004), (498, 364170), (549, 330340), (597, 303780), (610, 297306), (732, 247755), (747, 242780), (796, 227835), (830, 218502), (915, 198204), (995, 182268), (996, 182085), (1098, 165170), (1194, 151890), (1220, 148653), (1245, 145668), (1494, 121390), (1660, 109251), (1791, 101260), (1830, 99102), (1990, 91134), (2196, 82585), (2388, 75945), (2490, 72834), (2745, 66068), (2985, 60756), (2988, 60695), (3582, 50630), (3660, 49551), (3735, 48556), (3980, 45567), (4980, 36417), (5063, 35820), (5490, 33034), (5970, 30378), (7164, 25315), (7470, 24278), (8955, 20252), (10126, 17910), (10980, 16517), (11940, 15189), (12139, 14940)]