221171160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1049}}^1$

素因数の和:1321

約数の個数: 128

約数和(自身を含む): 762048000

約数和(自身を除く): 540876840

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, 1049, 1255, 1506, 1757, 2008, 2098, 2510, 3012, 3147, 3514, 3765, 4196, 5020, 5245, 5271, 6024, 6294, 7028, 7343, 7530, 8392, 8785, 10040, 10490, 10542, 12588, 14056, 14686, 15060, 15735, 17570, 20980, 21084, 22029, 25176, 26355, 29372, 30120, 31470, 35140, 36715, 41960, 42168, 44058, 52710, 58744, 62940, 70280, 73430, 88116, 105420, 110145, 125880, 146860, 176232, 210840, 220290, 263299, 293720, 440580, 526598, 789897, 881160, 1053196, 1316495, 1579794, 1843093, 2106392, 2632990, 3159588, 3686186, 3949485, 5265980, 5529279, 6319176, 7372372, 7898970, 9215465, 10531960, 11058558, 14744744, 15797940, 18430930, 22117116, 27646395, 31595880, 36861860, 44234232, 55292790, 73723720, 110585580, 221171160]

約数ペア:

[(1, 221171160), (2, 110585580), (3, 73723720), (4, 55292790), (5, 44234232), (6, 36861860), (7, 31595880), (8, 27646395), (10, 22117116), (12, 18430930), (14, 15797940), (15, 14744744), (20, 11058558), (21, 10531960), (24, 9215465), (28, 7898970), (30, 7372372), (35, 6319176), (40, 5529279), (42, 5265980), (56, 3949485), (60, 3686186), (70, 3159588), (84, 2632990), (105, 2106392), (120, 1843093), (140, 1579794), (168, 1316495), (210, 1053196), (251, 881160), (280, 789897), (420, 526598), (502, 440580), (753, 293720), (840, 263299), (1004, 220290), (1049, 210840), (1255, 176232), (1506, 146860), (1757, 125880), (2008, 110145), (2098, 105420), (2510, 88116), (3012, 73430), (3147, 70280), (3514, 62940), (3765, 58744), (4196, 52710), (5020, 44058), (5245, 42168), (5271, 41960), (6024, 36715), (6294, 35140), (7028, 31470), (7343, 30120), (7530, 29372), (8392, 26355), (8785, 25176), (10040, 22029), (10490, 21084), (10542, 20980), (12588, 17570), (14056, 15735), (14686, 15060)]