51510840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 162846720

約数和(自身を除く): 111335880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 227, 244, 248, 305, 310, 366, 372, 454, 465, 488, 610, 620, 681, 732, 744, 908, 915, 930, 1135, 1220, 1240, 1362, 1464, 1816, 1830, 1860, 1891, 2270, 2440, 2724, 3405, 3660, 3720, 3782, 4540, 5448, 5673, 6810, 7037, 7320, 7564, 9080, 9455, 11346, 13620, 13847, 14074, 15128, 18910, 21111, 22692, 27240, 27694, 28148, 28365, 35185, 37820, 41541, 42222, 45384, 55388, 56296, 56730, 69235, 70370, 75640, 83082, 84444, 105555, 110776, 113460, 138470, 140740, 166164, 168888, 207705, 211110, 226920, 276940, 281480, 332328, 415410, 422220, 429257, 553880, 830820, 844440, 858514, 1287771, 1661640, 1717028, 2146285, 2575542, 3434056, 4292570, 5151084, 6438855, 8585140, 10302168, 12877710, 17170280, 25755420, 51510840]

約数ペア:

[(1, 51510840), (2, 25755420), (3, 17170280), (4, 12877710), (5, 10302168), (6, 8585140), (8, 6438855), (10, 5151084), (12, 4292570), (15, 3434056), (20, 2575542), (24, 2146285), (30, 1717028), (31, 1661640), (40, 1287771), (60, 858514), (61, 844440), (62, 830820), (93, 553880), (120, 429257), (122, 422220), (124, 415410), (155, 332328), (183, 281480), (186, 276940), (227, 226920), (244, 211110), (248, 207705), (305, 168888), (310, 166164), (366, 140740), (372, 138470), (454, 113460), (465, 110776), (488, 105555), (610, 84444), (620, 83082), (681, 75640), (732, 70370), (744, 69235), (908, 56730), (915, 56296), (930, 55388), (1135, 45384), (1220, 42222), (1240, 41541), (1362, 37820), (1464, 35185), (1816, 28365), (1830, 28148), (1860, 27694), (1891, 27240), (2270, 22692), (2440, 21111), (2724, 18910), (3405, 15128), (3660, 14074), (3720, 13847), (3782, 13620), (4540, 11346), (5448, 9455), (5673, 9080), (6810, 7564), (7037, 7320)]