51731820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41057}}^1$

素因数の和:41079

約数の個数: 72

約数和(自身を含む): 179341344

約数和(自身を除く): 127609524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 41057, 82114, 123171, 164228, 205285, 246342, 287399, 369513, 410570, 492684, 574798, 615855, 739026, 821140, 862197, 1149596, 1231710, 1436995, 1478052, 1724394, 1847565, 2463420, 2586591, 2873990, 3448788, 3695130, 4310985, 5173182, 5747980, 7390260, 8621970, 10346364, 12932955, 17243940, 25865910, 51731820]

約数ペア:

[(1, 51731820), (2, 25865910), (3, 17243940), (4, 12932955), (5, 10346364), (6, 8621970), (7, 7390260), (9, 5747980), (10, 5173182), (12, 4310985), (14, 3695130), (15, 3448788), (18, 2873990), (20, 2586591), (21, 2463420), (28, 1847565), (30, 1724394), (35, 1478052), (36, 1436995), (42, 1231710), (45, 1149596), (60, 862197), (63, 821140), (70, 739026), (84, 615855), (90, 574798), (105, 492684), (126, 410570), (140, 369513), (180, 287399), (210, 246342), (252, 205285), (315, 164228), (420, 123171), (630, 82114), (1260, 41057)]