251447280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1543}}^1$

素因数の和:1663

約数の個数: 160

約数和(自身を含む): 900609024

約数和(自身を除く): 649161744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 97, 105, 112, 120, 140, 168, 194, 210, 240, 280, 291, 336, 388, 420, 485, 560, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1543, 1552, 1680, 1940, 2037, 2328, 2716, 2910, 3086, 3395, 3880, 4074, 4629, 4656, 5432, 5820, 6172, 6790, 7715, 7760, 8148, 9258, 10185, 10801, 10864, 11640, 12344, 13580, 15430, 16296, 18516, 20370, 21602, 23145, 23280, 24688, 27160, 30860, 32403, 32592, 37032, 40740, 43204, 46290, 54005, 54320, 61720, 64806, 74064, 81480, 86408, 92580, 108010, 123440, 129612, 149671, 162015, 162960, 172816, 185160, 216020, 259224, 299342, 324030, 370320, 432040, 449013, 518448, 598684, 648060, 748355, 864080, 898026, 1047697, 1197368, 1296120, 1496710, 1796052, 2095394, 2245065, 2394736, 2592240, 2993420, 3143091, 3592104, 4190788, 4490130, 5238485, 5986840, 6286182, 7184208, 8381576, 8980260, 10476970, 11973680, 12572364, 15715455, 16763152, 17960520, 20953940, 25144728, 31430910, 35921040, 41907880, 50289456, 62861820, 83815760, 125723640, 251447280]

約数ペア:

[(1, 251447280), (2, 125723640), (3, 83815760), (4, 62861820), (5, 50289456), (6, 41907880), (7, 35921040), (8, 31430910), (10, 25144728), (12, 20953940), (14, 17960520), (15, 16763152), (16, 15715455), (20, 12572364), (21, 11973680), (24, 10476970), (28, 8980260), (30, 8381576), (35, 7184208), (40, 6286182), (42, 5986840), (48, 5238485), (56, 4490130), (60, 4190788), (70, 3592104), (80, 3143091), (84, 2993420), (97, 2592240), (105, 2394736), (112, 2245065), (120, 2095394), (140, 1796052), (168, 1496710), (194, 1296120), (210, 1197368), (240, 1047697), (280, 898026), (291, 864080), (336, 748355), (388, 648060), (420, 598684), (485, 518448), (560, 449013), (582, 432040), (679, 370320), (776, 324030), (840, 299342), (970, 259224), (1164, 216020), (1358, 185160), (1455, 172816), (1543, 162960), (1552, 162015), (1680, 149671), (1940, 129612), (2037, 123440), (2328, 108010), (2716, 92580), (2910, 86408), (3086, 81480), (3395, 74064), (3880, 64806), (4074, 61720), (4629, 54320), (4656, 54005), (5432, 46290), (5820, 43204), (6172, 40740), (6790, 37032), (7715, 32592), (7760, 32403), (8148, 30860), (9258, 27160), (10185, 24688), (10801, 23280), (10864, 23145), (11640, 21602), (12344, 20370), (13580, 18516), (15430, 16296)]