213580920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1013}}^1$

素因数の和:1285

約数の個数: 128

約数和(自身を含む): 735920640

約数和(自身を除く): 522339720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 251, 280, 420, 502, 753, 840, 1004, 1013, 1255, 1506, 1757, 2008, 2026, 2510, 3012, 3039, 3514, 3765, 4052, 5020, 5065, 5271, 6024, 6078, 7028, 7091, 7530, 8104, 8785, 10040, 10130, 10542, 12156, 14056, 14182, 15060, 15195, 17570, 20260, 21084, 21273, 24312, 26355, 28364, 30120, 30390, 35140, 35455, 40520, 42168, 42546, 52710, 56728, 60780, 70280, 70910, 85092, 105420, 106365, 121560, 141820, 170184, 210840, 212730, 254263, 283640, 425460, 508526, 762789, 850920, 1017052, 1271315, 1525578, 1779841, 2034104, 2542630, 3051156, 3559682, 3813945, 5085260, 5339523, 6102312, 7119364, 7627890, 8899205, 10170520, 10679046, 14238728, 15255780, 17798410, 21358092, 26697615, 30511560, 35596820, 42716184, 53395230, 71193640, 106790460, 213580920]

約数ペア:

[(1, 213580920), (2, 106790460), (3, 71193640), (4, 53395230), (5, 42716184), (6, 35596820), (7, 30511560), (8, 26697615), (10, 21358092), (12, 17798410), (14, 15255780), (15, 14238728), (20, 10679046), (21, 10170520), (24, 8899205), (28, 7627890), (30, 7119364), (35, 6102312), (40, 5339523), (42, 5085260), (56, 3813945), (60, 3559682), (70, 3051156), (84, 2542630), (105, 2034104), (120, 1779841), (140, 1525578), (168, 1271315), (210, 1017052), (251, 850920), (280, 762789), (420, 508526), (502, 425460), (753, 283640), (840, 254263), (1004, 212730), (1013, 210840), (1255, 170184), (1506, 141820), (1757, 121560), (2008, 106365), (2026, 105420), (2510, 85092), (3012, 70910), (3039, 70280), (3514, 60780), (3765, 56728), (4052, 52710), (5020, 42546), (5065, 42168), (5271, 40520), (6024, 35455), (6078, 35140), (7028, 30390), (7091, 30120), (7530, 28364), (8104, 26355), (8785, 24312), (10040, 21273), (10130, 21084), (10542, 20260), (12156, 17570), (14056, 15195), (14182, 15060)]