212125560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 663552000

約数和(自身を除く): 451426440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 127, 155, 186, 248, 254, 310, 372, 381, 449, 465, 508, 620, 635, 744, 762, 898, 930, 1016, 1240, 1270, 1347, 1524, 1796, 1860, 1905, 2245, 2540, 2694, 3048, 3592, 3720, 3810, 3937, 4490, 5080, 5388, 6735, 7620, 7874, 8980, 10776, 11811, 13470, 13919, 15240, 15748, 17960, 19685, 23622, 26940, 27838, 31496, 39370, 41757, 47244, 53880, 55676, 57023, 59055, 69595, 78740, 83514, 94488, 111352, 114046, 118110, 139190, 157480, 167028, 171069, 208785, 228092, 236220, 278380, 285115, 334056, 342138, 417570, 456184, 472440, 556760, 570230, 684276, 835140, 855345, 1140460, 1368552, 1670280, 1710690, 1767713, 2280920, 3421380, 3535426, 5303139, 6842760, 7070852, 8838565, 10606278, 14141704, 17677130, 21212556, 26515695, 35354260, 42425112, 53031390, 70708520, 106062780, 212125560]

約数ペア:

[(1, 212125560), (2, 106062780), (3, 70708520), (4, 53031390), (5, 42425112), (6, 35354260), (8, 26515695), (10, 21212556), (12, 17677130), (15, 14141704), (20, 10606278), (24, 8838565), (30, 7070852), (31, 6842760), (40, 5303139), (60, 3535426), (62, 3421380), (93, 2280920), (120, 1767713), (124, 1710690), (127, 1670280), (155, 1368552), (186, 1140460), (248, 855345), (254, 835140), (310, 684276), (372, 570230), (381, 556760), (449, 472440), (465, 456184), (508, 417570), (620, 342138), (635, 334056), (744, 285115), (762, 278380), (898, 236220), (930, 228092), (1016, 208785), (1240, 171069), (1270, 167028), (1347, 157480), (1524, 139190), (1796, 118110), (1860, 114046), (1905, 111352), (2245, 94488), (2540, 83514), (2694, 78740), (3048, 69595), (3592, 59055), (3720, 57023), (3810, 55676), (3937, 53880), (4490, 47244), (5080, 41757), (5388, 39370), (6735, 31496), (7620, 27838), (7874, 26940), (8980, 23622), (10776, 19685), (11811, 17960), (13470, 15748), (13919, 15240)]