164555600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:429

約数の個数: 120

約数和(自身を含む): 435909600

約数和(自身を除く): 271354000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 149, 176, 200, 220, 251, 275, 298, 400, 440, 502, 550, 596, 745, 880, 1004, 1100, 1192, 1255, 1490, 1639, 2008, 2200, 2384, 2510, 2761, 2980, 3278, 3725, 4016, 4400, 5020, 5522, 5960, 6275, 6556, 7450, 8195, 10040, 11044, 11920, 12550, 13112, 13805, 14900, 16390, 20080, 22088, 25100, 26224, 27610, 29800, 32780, 37399, 40975, 44176, 50200, 55220, 59600, 65560, 69025, 74798, 81950, 100400, 110440, 131120, 138050, 149596, 163900, 186995, 220880, 276100, 299192, 327800, 373990, 411389, 552200, 598384, 655600, 747980, 822778, 934975, 1104400, 1495960, 1645556, 1869950, 2056945, 2991920, 3291112, 3739900, 4113890, 6582224, 7479800, 8227780, 10284725, 14959600, 16455560, 20569450, 32911120, 41138900, 82277800, 164555600]

約数ペア:

[(1, 164555600), (2, 82277800), (4, 41138900), (5, 32911120), (8, 20569450), (10, 16455560), (11, 14959600), (16, 10284725), (20, 8227780), (22, 7479800), (25, 6582224), (40, 4113890), (44, 3739900), (50, 3291112), (55, 2991920), (80, 2056945), (88, 1869950), (100, 1645556), (110, 1495960), (149, 1104400), (176, 934975), (200, 822778), (220, 747980), (251, 655600), (275, 598384), (298, 552200), (400, 411389), (440, 373990), (502, 327800), (550, 299192), (596, 276100), (745, 220880), (880, 186995), (1004, 163900), (1100, 149596), (1192, 138050), (1255, 131120), (1490, 110440), (1639, 100400), (2008, 81950), (2200, 74798), (2384, 69025), (2510, 65560), (2761, 59600), (2980, 55220), (3278, 50200), (3725, 44176), (4016, 40975), (4400, 37399), (5020, 32780), (5522, 29800), (5960, 27610), (6275, 26224), (6556, 25100), (7450, 22088), (8195, 20080), (10040, 16390), (11044, 14900), (11920, 13805), (12550, 13112)]