53442760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 145981440

約数和(自身を除く): 92538680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 56, 62, 70, 94, 124, 131, 140, 155, 188, 217, 235, 248, 262, 280, 310, 329, 376, 434, 470, 524, 620, 655, 658, 868, 917, 940, 1048, 1085, 1240, 1310, 1316, 1457, 1645, 1736, 1834, 1880, 2170, 2620, 2632, 2914, 3290, 3668, 4061, 4340, 4585, 5240, 5828, 6157, 6580, 7285, 7336, 8122, 8680, 9170, 10199, 11656, 12314, 13160, 14570, 16244, 18340, 20305, 20398, 24628, 28427, 29140, 30785, 32488, 36680, 40610, 40796, 43099, 49256, 50995, 56854, 58280, 61570, 81220, 81592, 86198, 101990, 113708, 123140, 142135, 162440, 172396, 190867, 203980, 215495, 227416, 246280, 284270, 344792, 381734, 407960, 430990, 568540, 763468, 861980, 954335, 1137080, 1336069, 1526936, 1723960, 1908670, 2672138, 3817340, 5344276, 6680345, 7634680, 10688552, 13360690, 26721380, 53442760]

約数ペア:

[(1, 53442760), (2, 26721380), (4, 13360690), (5, 10688552), (7, 7634680), (8, 6680345), (10, 5344276), (14, 3817340), (20, 2672138), (28, 1908670), (31, 1723960), (35, 1526936), (40, 1336069), (47, 1137080), (56, 954335), (62, 861980), (70, 763468), (94, 568540), (124, 430990), (131, 407960), (140, 381734), (155, 344792), (188, 284270), (217, 246280), (235, 227416), (248, 215495), (262, 203980), (280, 190867), (310, 172396), (329, 162440), (376, 142135), (434, 123140), (470, 113708), (524, 101990), (620, 86198), (655, 81592), (658, 81220), (868, 61570), (917, 58280), (940, 56854), (1048, 50995), (1085, 49256), (1240, 43099), (1310, 40796), (1316, 40610), (1457, 36680), (1645, 32488), (1736, 30785), (1834, 29140), (1880, 28427), (2170, 24628), (2620, 20398), (2632, 20305), (2914, 18340), (3290, 16244), (3668, 14570), (4061, 13160), (4340, 12314), (4585, 11656), (5240, 10199), (5828, 9170), (6157, 8680), (6580, 8122), (7285, 7336)]