54885760

素因数分解:

$2^7\times 5^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 132192000

約数和(自身を除く): 77306240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 320, 382, 449, 640, 764, 898, 955, 1528, 1796, 1910, 2245, 3056, 3592, 3820, 4490, 6112, 7184, 7640, 8980, 12224, 14368, 15280, 17960, 24448, 28736, 30560, 35920, 57472, 61120, 71840, 85759, 122240, 143680, 171518, 287360, 343036, 428795, 686072, 857590, 1372144, 1715180, 2744288, 3430360, 5488576, 6860720, 10977152, 13721440, 27442880, 54885760]

約数ペア:

[(1, 54885760), (2, 27442880), (4, 13721440), (5, 10977152), (8, 6860720), (10, 5488576), (16, 3430360), (20, 2744288), (32, 1715180), (40, 1372144), (64, 857590), (80, 686072), (128, 428795), (160, 343036), (191, 287360), (320, 171518), (382, 143680), (449, 122240), (640, 85759), (764, 71840), (898, 61120), (955, 57472), (1528, 35920), (1796, 30560), (1910, 28736), (2245, 24448), (3056, 17960), (3592, 15280), (3820, 14368), (4490, 12224), (6112, 8980), (7184, 7640)]